Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 1 | #import<fstream> | ^~~~~~ main.cpp:2:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 2 | main(){int64_t n,a,p=1,m;for((std::ifstream("modulo.in"))>>a>>n>>m;n;n/=2){if(n&1){p=p*a%m;}a=a*a%m;}(std::ofstream("modulo.out"))<<p;} | ^~~~