Compilare: main.cpp: In function 'int main(int, const char**)': main.cpp:39:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<conex[i].size();++j) ~^~~~~~~~~~~~~~~~ main.cpp:18:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("partitie.in","r",stdin); ^ main.cpp:19:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("partitie.out","w",stdout); ^ main.cpp:21:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&d); ^ main.cpp:24:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i].nr); ^