Compilare: user.cpp: In function ‘bool bellman(int)’: user.cpp:47:34: warning: overflow in implicit constant conversion [-Woverflow] for (int i=1;i<=n;i++)best[i]=INF,boss[i]=0; ^ user.cpp: In function ‘int main()’: user.cpp:7:13: warning: overflow in implicit constant conversion [-Woverflow] #define INF 0x3f3f3f3f3f ^ user.cpp:87:20: note: in expansion of macro ‘INF’ int maxflow=INF; ^ user.cpp: In function ‘void citeste(int&)’: user.cpp:33:45: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,stdin),poz=0; ^ user.cpp:39:45: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,stdin),poz=0; ^ user.cpp: In function ‘int main()’: user.cpp:67:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("fmcm.in","r",stdin); ^ user.cpp:68:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("fmcm.out","w",stdout); ^