Compilare: user.cpp: In function ‘int main()’: user.cpp:69:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<g[nod].size();i++) ^ user.cpp:89:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<g[y].size();i++) ^ user.cpp:97:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<sol.size();i++)printf("%d\n",sol[i]); ^ user.cpp:21:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("boom.in","r",stdin); ^ user.cpp:22:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("boom.out","w",stdout); ^ user.cpp:24:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n, &m); ^ user.cpp:29:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&Pret[i],&l); ^ user.cpp:31:62: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (j=1;j<=l;j++) scanf("%d",&p), Sarje[i]-=1<<(n-p); ^