Compilare: main.cpp: In function 'int Edmond()': main.cpp:169:14: warning: unused variable 'i' [-Wunused-variable] int flow,i,f_min,nod,pj; ^ main.cpp:169:26: warning: unused variable 'pj' [-Wunused-variable] int flow,i,f_min,nod,pj; ^~ main.cpp: In function 'void read()': main.cpp:129:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("critice.in","r",stdin); ^ main.cpp:130:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ main.cpp:133:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d ",&x,&y,&z); ^ main.cpp: In function 'int main()': main.cpp:238:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("critice.out","w",stdout); ^