Compilare: user.cpp: In function ‘int main()’: user.cpp:80:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(; i < pozst.size(); i++) { ^ user.cpp:81:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < pozdr.size() && pozst[i] + ((N < M) ? 0 : (N - M)) > pozdr[j]) { ^ user.cpp:84:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j == pozdr.size()) break; ^ user.cpp:56:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secv10.in", "r", stdin); ^ user.cpp:57:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secv10.out", "w", stdout); ^ user.cpp:61:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &t); ^ user.cpp:63:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s%s%s", txt, st, dr); ^