#include "_.h" long long solve(long long A[], long long B[], long long prize[]) { if (((prize[0] * B[1]) - (B[0] * prize[1])) % ((A[0] * B[1]) - (B[0] * A[1])) != 0) return 0; if (((A[0] * prize[1]) - (prize[0] * A[1])) % ((A[0] * B[1]) - (B[0] * A[1])) != 0) return 0; long long x = ((prize[0] * B[1]) - (B[0] * prize[1])) / ((A[0] * B[1]) - (B[0] * A[1])); long long y = ((A[0] * prize[1]) - (prize[0] * A[1])) / ((A[0] * B[1]) - (B[0] * A[1])); if (x <= 0 || y <= 0) return 0; long long result = x * 3 + y; return result; } int main(int argc, char **argv) { if (argc != 2) return 1; char *input = argv[1]; char **inputs = str_split(strdup(input), '\n'); long long token_spent = 0; for (long long i = 0; inputs[i] != NULL; i+=3) { char **button_A = str_split(strdup(inputs[i]), ' '); long long A[2] = {atoi(button_A[0]), atoi(button_A[1])}; char **button_B = str_split(strdup(inputs[i + 1]), ' '); long long B[2] = {atoi(button_B[0]), atoi(button_B[1])}; char **prizes = str_split(strdup(inputs[i + 2]), ' '); long long prize[2] = {atoi(prizes[0]) + 10000000000000, atoi(prizes[1]) + 10000000000000}; token_spent += solve(A, B, prize); } printf("token_spent: %lld\n", token_spent); return 0; }