Compilare: user.cpp: In function ‘int main()’: user.cpp:13:66: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(t=1;t<m;t++){mni=1500000001;for(int i=1;i<=n;i++)if(a[i]<mni)mni=a[i];for(int i=1;i<=n;i++)if(a[i]==mni){c[i]++;a[i]=c[i]*v[i];}} ^ user.cpp:13:109: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(t=1;t<m;t++){mni=1500000001;for(int i=1;i<=n;i++)if(a[i]<mni)mni=a[i];for(int i=1;i<=n;i++)if(a[i]==mni){c[i]++;a[i]=c[i]*v[i];}} ^ user.cpp:15:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++)if(a[i]<mni)mni=a[i];fout<<mni; ^