Compilare: main.cpp: In function 'int main()': main.cpp:36:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0 ; i < G[negustor].size() && i < k ; i ++ , nr ++) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:39:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0 ; j < T[magazin].size() ; j ++) ~~^~~~~~~~~~~~~~~~~~~ main.cpp:50:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(G[i].size() > 0 && G[i].size() < deg) ~~~~~~~~~~~~^~~~~ main.cpp:10:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("negot.in" , "r" , stdin); ^ main.cpp:11:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("negot.out" , "w" , stdout); ^ main.cpp:13:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%hd%hd%hd" , &n , &m , &k); ^ main.cpp:17:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%hd" , &t); ^ main.cpp:20:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%hd" , &x); ^ main.cpp:12:58: warning: 'negustor' may be used uninitialized in this function [-Wmaybe-uninitialized] short int n , m , k , t , i , j , x , nr , magazin , negustor , deg , gasit , cnt; ^~~~~~~~