[GUET-CTF2019]re-Toy模板网

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from z3 import *
# Create a Z3 solver
solver = Solver()

# Create an array of integer variables to represent the elements of a1
a1 = [Int(f'a1[{i}]') for i in range(32)]

print(a1)

# Define the constraints based on the C code
constraints = [
    1629056 * a1[0] == 166163712,
    6771600 * a1[1] == 731332800,
    3682944 * a1[2] == 357245568,
    10431000 * a1[3] == 1074393000,
    3977328 * a1[4] == 489211344,
    5138336 * a1[5] == 518971936,
    7532250 * a1[7] == 406741500,
    5551632 * a1[8] == 294236496,
    3409728 * a1[9] == 177305856,
    13013670 * a1[10] == 650683500,
    6088797 * a1[11] == 298351053,
    7884663 * a1[12] == 386348487,
    8944053 * a1[13] == 438258597,
    5198490 * a1[14] == 249527520,
    4544518 * a1[15] == 445362764,
    3645600 * a1[17] == 174988800,
    10115280 * a1[16] == 981182160,
    9667504 * a1[18] == 493042704,
    5364450 * a1[19] == 257493600,
    13464540 * a1[20] == 767478780,
    5488432 * a1[21] == 312840624,
    14479500 * a1[22] == 1404511500,
    6451830 * a1[23] == 316139670,
    6252576 * a1[24] == 619005024,
    7763364 * a1[25] == 372641472,
    7327320 * a1[26] == 373693320,
    8741520 * a1[27] == 498266640,
    8871876 * a1[28] == 452465676,
    4086720 * a1[29] == 208422720,
    9374400 * a1[30] == 515592000,
    5759124 * a1[31] == 719890500
]

# Add the constraints to the solver
solver.add(constraints)

# Check if there is a solution
if solver.check() == sat:
    model = solver.model()
    # Get the values of a1 that satisfy the constraints
    #solution = [model[a1[i]].as_long() for i in range(32)]
    print("Solution for a1:", model)
    for i in range(32):
        print(f"a1[{i}] = {model[a1[i]]}")

else:
    print("No solution found.")

a1 = [0]*32
a1[0] = 102
a1[1] = 108
a1[2] = 97
a1[3] = 103
a1[4] = 123
a1[5] = 101
a1[6] = 49 #出题人没给，出题人傻逼来 
a1[7] = 54
a1[8] = 53
a1[9] = 52
a1[10] = 50
a1[11] = 49
a1[12] = 49
a1[13] = 49
a1[14] = 48
a1[15] = 98
a1[16] = 97
a1[17] = 48
a1[18] = 51
a1[19] = 48
a1[20] = 57
a1[21] = 57
a1[22] = 97
a1[23] = 49
a1[24] = 99
a1[25] = 48
a1[26] = 51
a1[27] = 57
a1[28] = 51
a1[29] = 51
a1[30] = 55
a1[31] = 125

result = ""
for x in range(32):
    #print(type(a1[x]))
    result += chr(a1[x])

print(result)