Compilare: main.cpp: In function 'int main()': main.cpp:72:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; gasit == 0 && i < vec[p].size(); i++) { ~~^~~~~~~~~~~~~~~ main.cpp:83:25: warning: unused variable 'gg' [-Wunused-variable] int gg = convert[gasit]; ^~ main.cpp:18:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("caroiaj.in", "r", stdin); ^ main.cpp:19:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("caroiaj.out", "w", stdout); ^ main.cpp:20:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &T); ^ main.cpp:24:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:28:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i][j]); ^