Compilare: user.cpp: In function ‘int main()’: user.cpp:48:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<g[i].size();++j) ^ user.cpp:77:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<susp[i].size();++j) ^ user.cpp:72:9: warning: unused variable ‘cnode’ [-Wunused-variable] int cnode,node; ^ user.cpp:31:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("incurcatura.in","r",stdin); ^ user.cpp:32:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("incurcatura.out","w",stdout); ^ user.cpp:34:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&p); ^ user.cpp:35:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:38:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^ user.cpp:41:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^