Compilare: user.cpp: In function ‘void solve()’: user.cpp:40:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < tipuriMuncitori.size(); i++) ^ user.cpp:80:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < matx[n][s].size(); i++) ^ user.cpp: In function ‘void citire()’: user.cpp:18:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &s, &n, &c); ^ user.cpp:24:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &tmp1, &tmp2); ^ user.cpp: In function ‘int main()’: user.cpp:88:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sant.in", "r", stdin); ^ user.cpp:89:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sant.out", "w", stdout); ^