added intermediate printing
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87b6529671
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2db8ff63c7
3 changed files with 185 additions and 12 deletions
3
.gitignore
vendored
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3
.gitignore
vendored
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@ -0,0 +1,3 @@
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.serena
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__pycache__
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output.txt
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174
main.py
174
main.py
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@ -11,7 +11,7 @@ LP/MIP solver. Read the comments at:
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"""
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from ortools.sat.python import cp_model
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import printer
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# ======================================================================
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# PARAMETERS -- edit these
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@ -24,10 +24,10 @@ INITIAL = (3, 3, 3, 3)
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# at the START of that step. Types: 'H' Hub, 'F' Foundry, 'M' Metropolis, 'N' Monument.
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# Total cities across all steps must be <= 7. Arriving cities act that same step.
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ARRIVALS = {
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1: ["H", "F", "H", "N", "F"],
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2: ["M"],
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1: ["H", "F", "H"],
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2: ["F"],
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3: [],
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4: [],
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4: ["N"],
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5: [],
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}
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@ -81,9 +81,12 @@ def solve(
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# action variables, t in 1..NUM_STEPS
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col, ua, ub, ud = {}, {}, {}, {} # collect / upgrade a,b,d
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ow = {} # overwork (global limit: 1 per step)
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rH, rF, rM = {}, {}, {} # renovate -> Hub/Foundry/Metro
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cvE, cvB, cvS = {}, {}, {} # foundry: which vat collected
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cvE, cvB, cvS = {}, {}, {} # foundry: which vat collected (normal collect)
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owcvE, owcvB, owcvS = {}, {}, {} # foundry: which vat collected (overwork)
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mE, mB, mS, mC = {}, {}, {}, {} # metropolis: resources picked (+1 each)
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owmE, owmB, owmS, owmC = {}, {}, {}, {} # metropolis: resources picked (overwork)
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for i in range(N):
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a_step, a_type = cities[i]
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@ -110,16 +113,24 @@ def solve(
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ua[i, t] = m.NewBoolVar(f"ua_{i}_{t}")
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ub[i, t] = m.NewBoolVar(f"ub_{i}_{t}")
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ud[i, t] = m.NewBoolVar(f"ud_{i}_{t}")
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ow[i, t] = m.NewBoolVar(f"ow_{i}_{t}")
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rH[i, t] = m.NewBoolVar(f"rH_{i}_{t}")
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rF[i, t] = m.NewBoolVar(f"rF_{i}_{t}")
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rM[i, t] = m.NewBoolVar(f"rM_{i}_{t}")
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cvE[i, t] = m.NewBoolVar(f"cvE_{i}_{t}")
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cvB[i, t] = m.NewBoolVar(f"cvB_{i}_{t}")
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cvS[i, t] = m.NewBoolVar(f"cvS_{i}_{t}")
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owcvE[i, t] = m.NewBoolVar(f"owcvE_{i}_{t}")
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owcvB[i, t] = m.NewBoolVar(f"owcvB_{i}_{t}")
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owcvS[i, t] = m.NewBoolVar(f"owcvS_{i}_{t}")
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mE[i, t] = m.NewIntVar(0, 3, f"mE_{i}_{t}")
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mB[i, t] = m.NewIntVar(0, 3, f"mB_{i}_{t}")
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mS[i, t] = m.NewIntVar(0, 3, f"mS_{i}_{t}")
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mC[i, t] = m.NewIntVar(0, 3, f"mC_{i}_{t}")
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owmE[i, t] = m.NewIntVar(0, 6, f"owmE_{i}_{t}")
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owmB[i, t] = m.NewIntVar(0, 6, f"owmB_{i}_{t}")
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owmS[i, t] = m.NewIntVar(0, 6, f"owmS_{i}_{t}")
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owmC[i, t] = m.NewIntVar(0, 6, f"owmC_{i}_{t}")
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# ---- per-step gain/cost accumulators (linear expressions) ---------
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gain_E = {t: [] for t in range(1, NUM_STEPS + 1)}
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@ -150,7 +161,30 @@ def solve(
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for v in (isH, isF, isM, isMon, hasA, hasB, hasD, vE, vB, vS):
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m.Add(v[i, t] == 0)
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if t <= NUM_STEPS:
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for v in (col, ua, ub, ud, rH, rF, rM, cvE, cvB, cvS, mE, mB, mS, mC):
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for v in (
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col,
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ua,
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ub,
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ud,
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ow,
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rH,
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rF,
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rM,
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cvE,
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cvB,
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cvS,
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owcvE,
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owcvB,
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owcvS,
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mE,
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mB,
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mS,
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mC,
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owmE,
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owmB,
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owmS,
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owmC,
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):
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m.Add(v[i, t] == 0)
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# action + transition logic for active steps
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@ -167,6 +201,7 @@ def solve(
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+ ua[i, t]
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+ ub[i, t]
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+ ud[i, t]
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+ ow[i, t]
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+ rH[i, t]
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+ rF[i, t]
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+ rM[i, t]
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@ -192,6 +227,12 @@ def solve(
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m.Add(ua[i, t] == 0).OnlyEnforceIf(isMon[i, t])
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m.Add(ub[i, t] == 0).OnlyEnforceIf(isMon[i, t])
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m.Add(ud[i, t] == 0).OnlyEnforceIf(isMon[i, t])
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m.Add(ow[i, t] == 0).OnlyEnforceIf(isMon[i, t])
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# overwork cooldown: city that overworked last step can't collect or overwork
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if t > a_step:
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m.Add(col[i, t] == 0).OnlyEnforceIf(ow[i, t - 1])
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m.Add(ow[i, t] == 0).OnlyEnforceIf(ow[i, t - 1])
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# ---- type transition t -> t+1 ----
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m.Add(isH[i, t + 1] == isH[i, t]).OnlyEnforceIf(no_ren)
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@ -272,6 +313,61 @@ def solve(
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gain_B[t].append(AND(cvB[i, t], hasB[i, t]))
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gain_S[t].append(AND(cvS[i, t], hasB[i, t]))
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# ---- overwork sub-choices (double-collect; no Capital cost) ----
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fow = AND(isF[i, t], ow[i, t])
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mow = AND(isM[i, t], ow[i, t])
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how = AND(isH[i, t], ow[i, t])
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# foundry overwork: exactly one vat chosen iff foundry overworks
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m.Add(owcvE[i, t] + owcvB[i, t] + owcvS[i, t] == fow)
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# metropolis overwork: pick 2*(2 + hasB) resources; else nothing
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ow_npick = m.NewIntVar(0, 6, "")
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m.Add(ow_npick == 2 * (2 + hasB[i, t])).OnlyEnforceIf(mow)
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m.Add(ow_npick == 0).OnlyEnforceIf(mow.Not())
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m.Add(owmE[i, t] + owmB[i, t] + owmS[i, t] + owmC[i, t] == ow_npick)
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# ================= OVERWORK GAINS (2x normal collect) =================
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# Hub overwork: 2*(2 + hasB) Capital
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hub_ow_gain = m.NewIntVar(0, 6, "")
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m.Add(hub_ow_gain == 2 * (2 + hasB[i, t])).OnlyEnforceIf(how)
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m.Add(hub_ow_gain == 0).OnlyEnforceIf(how.Not())
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gain_C[t].append(hub_ow_gain)
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# Metropolis overwork: +1 per pick (picks are already doubled via ow_npick)
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gain_E[t].append(owmE[i, t])
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gain_B[t].append(owmB[i, t])
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gain_S[t].append(owmS[i, t])
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gain_C[t].append(owmC[i, t])
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# Foundry overwork: 2 * chosen vat's value
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owgEf = m.NewIntVar(0, 2 * max_vat, "")
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owgBf = m.NewIntVar(0, 2 * max_vat, "")
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owgSf = m.NewIntVar(0, 2 * max_vat, "")
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_owE = m.NewIntVar(0, max_vat, "")
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_owB = m.NewIntVar(0, max_vat, "")
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_owS = m.NewIntVar(0, max_vat, "")
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m.AddMultiplicationEquality(_owE, [owcvE[i, t], vE[i, t]])
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m.AddMultiplicationEquality(_owB, [owcvB[i, t], vB[i, t]])
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m.AddMultiplicationEquality(_owS, [owcvS[i, t], vS[i, t]])
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m.Add(owgEf == 2 * _owE)
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m.Add(owgBf == 2 * _owB)
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m.Add(owgSf == 2 * _owS)
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gain_E[t].append(owgEf)
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gain_B[t].append(owgBf)
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gain_S[t].append(owgSf)
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# Collect Bonus (b) for foundry overwork: 2 * (+1) = +2 of that resource
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ow_be = AND(owcvE[i, t], hasB[i, t])
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ow_bb = AND(owcvB[i, t], hasB[i, t])
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ow_bs = AND(owcvS[i, t], hasB[i, t])
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gain_E[t].append(ow_be)
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gain_E[t].append(ow_be) # added twice == *2
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gain_B[t].append(ow_bb)
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gain_B[t].append(ow_bb)
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gain_S[t].append(ow_bs)
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gain_S[t].append(ow_bs)
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# ---- vat update producing vat[i, t+1] ----
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# increment added to the two non-collected vats (1, or 2 with upgrade d)
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inc = m.NewIntVar(1, 2, "")
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@ -293,11 +389,24 @@ def solve(
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m.Add(vSn == 0).OnlyEnforceIf(cvS[i, t])
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m.Add(vEn == vE[i, t] + inc).OnlyEnforceIf(cvS[i, t])
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m.Add(vBn == vB[i, t] + inc).OnlyEnforceIf(cvS[i, t])
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# foundry but not collecting (upgrade / renovate-away): vats unchanged
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f_noncollect = AND(isF[i, t], col[i, t].Not())
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m.Add(vEn == vE[i, t]).OnlyEnforceIf(f_noncollect)
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m.Add(vBn == vB[i, t]).OnlyEnforceIf(f_noncollect)
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m.Add(vSn == vS[i, t]).OnlyEnforceIf(f_noncollect)
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# overwork vat transitions: same reset/increment as normal collect
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m.Add(vEn == 0).OnlyEnforceIf(owcvE[i, t])
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m.Add(vBn == vB[i, t] + inc).OnlyEnforceIf(owcvE[i, t])
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m.Add(vSn == vS[i, t] + inc).OnlyEnforceIf(owcvE[i, t])
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m.Add(vBn == 0).OnlyEnforceIf(owcvB[i, t])
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m.Add(vEn == vE[i, t] + inc).OnlyEnforceIf(owcvB[i, t])
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m.Add(vSn == vS[i, t] + inc).OnlyEnforceIf(owcvB[i, t])
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m.Add(vSn == 0).OnlyEnforceIf(owcvS[i, t])
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m.Add(vEn == vE[i, t] + inc).OnlyEnforceIf(owcvS[i, t])
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m.Add(vBn == vB[i, t] + inc).OnlyEnforceIf(owcvS[i, t])
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# foundry but neither collecting nor overworking: vats unchanged
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# f_noncollect_noow = isF AND NOT fcol AND NOT fow = isF - fcol - fow
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f_noncollect_noow = m.NewBoolVar("")
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m.Add(f_noncollect_noow == isF[i, t] - fcol - fow)
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m.Add(vEn == vE[i, t]).OnlyEnforceIf(f_noncollect_noow)
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m.Add(vBn == vB[i, t]).OnlyEnforceIf(f_noncollect_noow)
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m.Add(vSn == vS[i, t]).OnlyEnforceIf(f_noncollect_noow)
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# assign vat[i, t+1]:
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# renovate-to-foundry -> reset to 1
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@ -319,6 +428,10 @@ def solve(
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m.Add(vB[i, t + 1] == 0).OnlyEnforceIf(not_F_next)
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m.Add(vS[i, t + 1] == 0).OnlyEnforceIf(not_F_next)
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# ---- global overwork limit: at most 1 city overworks per step ----
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for t in range(1, NUM_STEPS + 1):
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m.Add(sum(ow[i, t] for i in range(N)) <= 1)
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# ---- resource pool recursion --------------------------------------
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E = {1: m.NewIntVar(initial[0], initial[0], "E1")}
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B = {1: m.NewIntVar(initial[1], initial[1], "B1")}
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@ -382,7 +495,12 @@ def solve(
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solver = cp_model.CpSolver()
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solver.parameters.max_time_in_seconds = time_limit
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solver.parameters.num_search_workers = num_workers
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status = solver.Solve(m)
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status = solver.Solve(
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m,
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printer.IntermediateSolutionPrinter(
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{"electrum": finalE, "brass": finalB, "steel": finalS}
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),
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)
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if verbose:
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print(f"(resource ceilings used: E<={capE} B<={capB} S<={capS})")
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@ -399,16 +517,24 @@ def solve(
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ua,
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ub,
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ud,
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ow,
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rH,
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rF,
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rM,
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cvE,
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cvB,
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cvS,
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owcvE,
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owcvB,
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owcvS,
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mE,
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mB,
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mS,
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mC,
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owmE,
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owmB,
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owmS,
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owmC,
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hasA,
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hasB,
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hasD,
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@ -439,16 +565,24 @@ def _report(
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ua,
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ub,
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ud,
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ow,
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rH,
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rF,
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rM,
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cvE,
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cvB,
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cvS,
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owcvE,
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owcvB,
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owcvS,
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mE,
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mB,
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mS,
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mC,
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owmE,
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owmB,
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owmS,
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owmC,
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hasA,
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hasB,
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hasD,
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@ -497,6 +631,22 @@ def _report(
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picks += [nm] * solver.Value(var[i, t])
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return "Collect {" + ",".join(picks) + "}"
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return "Collect (+Capital)"
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if solver.Value(ow[i, t]):
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if typ_name[i, t] == "Foundry":
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v = (
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"E"
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if solver.Value(owcvE[i, t])
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else "B"
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if solver.Value(owcvB[i, t])
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else "S"
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)
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return f"Overwork vat {v} (2x)"
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if typ_name[i, t] == "Metro":
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picks = []
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for nm, var in (("E", owmE), ("B", owmB), ("S", owmS), ("C", owmC)):
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picks += [nm] * solver.Value(var[i, t])
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return "Overwork {" + ",".join(picks) + "} (2x)"
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return "Overwork (+Capital 2x)"
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if solver.Value(ua[i, t]):
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return "Upgrade a (cost-reduction)"
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if solver.Value(ub[i, t]):
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20
printer.py
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20
printer.py
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@ -0,0 +1,20 @@
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from ortools.sat.python import cp_model
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class IntermediateSolutionPrinter(cp_model.CpSolverSolutionCallback):
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"""Callback that prints intermediate solutions."""
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def __init__(self, variables):
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cp_model.CpSolverSolutionCallback.__init__(self)
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self._variables = variables
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self._solution_count = 0
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def on_solution_callback(self):
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"""Called each time an improving solution is found."""
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print("\n--- Solution ---")
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for name, var in self._variables.items():
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print(f"{name} = {self.Value(var)}")
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@property
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def solution_count(self):
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return self._solution_count
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