Compilare: user.cpp: In function ‘void scoruri()’: user.cpp:69:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < euler.size() - 1; ++j) ^ user.cpp: In function ‘void read()’: user.cpp:19:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { scanf("%d%d", &n, &m); ^ user.cpp:22:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { scanf("%d%d", &x[ind], &y[ind]); ^ user.cpp: In function ‘int main()’: user.cpp:96:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] { freopen("fotbal2.in", "r", stdin); ^ user.cpp:97:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("fotbal2.out", "w", stdout); ^