Eroare de compilare: user.cpp:2:63: error: declaration of ‘auto x’ has no initializer std::ifstream i("lgput.in");std::ofstream o("lgput.out");auto x,n,s=1,p,m=1999999973;main(){i>>x>>n;p=x;for(int i=0;(1<<i)<=n;++i){if((1<<i&n)>0)s=(s*p)%m;p=(p*p)%m;}o<<s;} ^ user.cpp:2:65: error: declaration of ‘auto n’ has no initializer std::ifstream i("lgput.in");std::ofstream o("lgput.out");auto x,n,s=1,p,m=1999999973;main(){i>>x>>n;p=x;for(int i=0;(1<<i)<=n;++i){if((1<<i&n)>0)s=(s*p)%m;p=(p*p)%m;}o<<s;} ^ user.cpp:2:71: error: declaration of ‘auto p’ has no initializer std::ifstream i("lgput.in");std::ofstream o("lgput.out");auto x,n,s=1,p,m=1999999973;main(){i>>x>>n;p=x;for(int i=0;(1<<i)<=n;++i){if((1<<i&n)>0)s=(s*p)%m;p=(p*p)%m;}o<<s;} ^ user.cpp:2:91: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type] std::ifstream i("lgput.in");std::ofstream o("lgput.out");auto x,n,s=1,p,m=1999999973;main(){i>>x>>n;p=x;for(int i=0;(1<<i)<=n;++i){if((1<<i&n)>0)s=(s*p)%m;p=(p*p)%m;}o<<s;} ^