Compilare: main.cpp: In function 'int main()': main.cpp:7:24: warning: unused variable 'maxx' [-Wunused-variable] int n,i,k,p1,p2,m,cm,maxx,t,cc; ^~~~ main.cpp:7:31: warning: unused variable 'cc' [-Wunused-variable] int n,i,k,p1,p2,m,cm,maxx,t,cc; ^~ main.cpp:5:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("euro2.in","r",stdin); ^ main.cpp:6:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("euro2.out","w",stdout); ^ main.cpp:9:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:11:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lf",&v[i]); ^ main.cpp:62:18: warning: 'cm' may be used uninitialized in this function [-Wmaybe-uninitialized] sol[cm]=nr; ~~~~~~~^~~