Compilare: user.cpp: In function ‘int main()’: user.cpp:61:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); i++) ^ user.cpp:94:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); i++) ^ user.cpp:51:15: warning: unused variable ‘MM’ [-Wunused-variable] const int MM = M + 5; ^ user.cpp:21:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ape.in", "r", stdin); ^ user.cpp:22:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ape.out", "w", stdout); ^ user.cpp:26:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &K); ^ user.cpp:120:29: warning: ‘pds’ may be used uninitialized in this function [-Wmaybe-uninitialized] else if(pss == 0 && pds == 1 && psj == 2) ^ user.cpp:118:12: warning: ‘psj’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(psj == 0 && pss == 1 && pds == 2) ^ user.cpp:118:24: warning: ‘pss’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(psj == 0 && pss == 1 && pds == 2) ^