Compilare: user.cpp: In member function ‘bool CMP::operator()(const PI&, const PI&) const’: user.cpp:22:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] return DP[a.first][a.second]>DP[b.first][b.second]; ^ user.cpp:22:48: warning: array subscript has type ‘char’ [-Wchar-subscripts] return DP[a.first][a.second]>DP[b.first][b.second]; ^ user.cpp: In function ‘int main()’: user.cpp:40:36: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘short unsigned int*’ [-Wformat=] scanf("%d %d", &T[i], &C[i]); ^ user.cpp:40:36: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short unsigned int*’ [-Wformat=] user.cpp:30:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zmeu2.in","r",stdin); ^ user.cpp:31:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("zmeu2.out","w", stdout); ^ user.cpp:38:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &N, &P, &K); ^ user.cpp:40:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &T[i], &C[i]); ^ user.cpp:51:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &j, &k); ^