Compilare: main.cpp: In function 'int main()': main.cpp:30:9: warning: unused variable 't' [-Wunused-variable] int t,n,m,x,y,i,p,maxdist; ^ main.cpp:30:13: warning: unused variable 'm' [-Wunused-variable] int t,n,m,x,y,i,p,maxdist; ^ main.cpp:31:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("darb.in","r",stdin); ^ main.cpp:32:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("darb.out","w",stdout); ^ main.cpp:33:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:36:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^