Compilare: user.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] #import<bits/stdc++.h> ^~~~~~ user.cpp:2:11: warning: multi-character character constant [-Wmultichar] int n,i,v['썐'];std::ifstream f("algsort.in");std::ofstream g("algsort.out");main(){for(f>>n;i<n;f>>v[i++]);for(std::sort(v,v+n);i;g<<v[n-i--]<<' ');} ^~~~~ user.cpp:2:84: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type] int n,i,v['썐'];std::ifstream f("algsort.in");std::ofstream g("algsort.out");main(){for(f>>n;i<n;f>>v[i++]);for(std::sort(v,v+n);i;g<<v[n-i--]<<' ');} ^