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main.py
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main.py
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from core import *
import numpy as np
def main():
csp = NaryCSP()
size = 4
# add variables
names = set(range(size * size))
csp.add_variables(names, [True, False])
# add constraints
csp.add_constraint(count_equal_to_constraint(size, True))
# row constraints
for row_start in range(0, size * size, size):
row_names = set(range(row_start, row_start + size))
csp.add_constraint(
count_le_constraint(1, True), row_names)
# column constraints
for col_start in range(0, size):
col_names = set(range(col_start, size * size, size))
csp.add_constraint(
count_le_constraint(1, True), col_names)
# solve
#solver = MinConflictsSolver(csp)
solver = BacktrackingSolver(csp)
solution, is_valid = solver.solve()
print(solution, is_valid)
if __name__ == '__main__':
main()