Compilare: user.cpp: In function ‘void parc1()’: user.cpp:33:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[tata.nod].size();i++) ^ user.cpp: In function ‘void parc2()’: user.cpp:68:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[tata.nod].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:86:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pm2.in","r",stdin); ^ user.cpp:87:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pm2.out","w'",stdout); ^ user.cpp:88:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:91:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t[i]); ^ user.cpp:95:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^ user.cpp:99:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^ user.cpp:113:29: warning: ‘nod’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d\n",timp+t[nod]); ^