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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. long long n;
  4. int main(){
  5. cin>>n;
  6. cout<<pow(2,n);
  7. return 0;
  8. }
Success #stdin #stdout 0.01s 5360KB
stdin
31
stdout
2.14748e+09