Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] #import<fstream> ^~~~~~ main.cpp:2:62: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] std::ofstream g("lgput.out");long long m,S=1,a,M=2e9-27;main(){for(std::ifstream("lgput.in")>>a>>m;m;m>>=1,a=(a*a)%M)if(m&1)S=(S*a)%M;g<<S;} ^