Compilare: main.cpp: In function 'int main()': main.cpp:80:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=1; j<AIB[nod].size(); j++) ~^~~~~~~~~~~~~~~~ main.cpp:66:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("distincte.in", "r", stdin); ^ main.cpp:67:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("distincte.out", "w", stdout); ^ main.cpp:68:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &N, &K, &M); ^ main.cpp:71:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^ main.cpp:90:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &A, &B); ^