Compilare: user.cpp: In function ‘int main()’: user.cpp:27:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (aux[tt].size() == k && aux[tt].top() > p[i]) ^ user.cpp:32:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (aux[tt].size() < k) aux[tt].push(p[i]); ^ user.cpp:40:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (aux[tt].size() == k && aux[tt].top() > p[i]) ^ user.cpp:45:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (aux[tt].size() < k) aux[tt].push(p[i]); ^ user.cpp:16:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("peste.in","r",stdin); ^ user.cpp:17:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("peste.out","w",stdout); ^ user.cpp:19:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &N, &k, &Ttotal); ^ user.cpp:23:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &p[i], &t[i]); p[i] *= (-1); ^