Compilare: main.cpp: In function 'void print()': main.cpp:34:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<vc.size()&&i<vl.size();i++) ~^~~~~~~~~~ main.cpp:34:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<vc.size()&&i<vl.size();i++) ~^~~~~~~~~~ main.cpp:36:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;i<vc.size();i++) ~^~~~~~~~~~ main.cpp:38:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(;i<vl.size();i++) ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:43:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("becuri.in","r",stdin); ^ main.cpp:44:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("becuri.out","w",stdout); ^ main.cpp:45:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&m); ^ main.cpp:48:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i][j]); ^