Compilare: main.cpp: In function 'int main()': main.cpp:2:128: warning: for increment expression has no effect [-Wunused-value] 2 | using namespace std;ifstream f("lgput.in");ofstream g("lgput.out");int main(){int64_t n,a,p=1,mod=1999999973;for(f>>a>>n;n!=0;n>=1){if(n%2!=0){(p*=a)%=mod;}(a*=a)%=mod;}g<<p;} | ~^~~