Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 1 | #import<fstream> | ^~~~~~ main.cpp:2:53: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 2 | std::fstream f("nim.in"),g("nim.out",std::ios::out);main(){int N,x,S;for(f>>N;f>>N;g<<(S?"DA\n":"NU\n"))for(S=0;N--;S^=x)f>>x;} | ^~~~