Compilare: main.cpp: In function 'int Edmond()': main.cpp:66:14: warning: unused variable 'i' [-Wunused-variable] int flow,i,f_min,nod,pj; ^ main.cpp:66:26: warning: unused variable 'pj' [-Wunused-variable] int flow,i,f_min,nod,pj; ^~ main.cpp: In function 'void read()': main.cpp:15:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("harta.in","r",stdin); ^ main.cpp:16:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:21:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&x,&y); ^ main.cpp: In function 'int main()': main.cpp:101:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("harta.out","w",stdout); ^