1651A - Playoff - CodeForces Solution

implementation

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Python Code: 

for h in range(int(input())):
    n=int(input())
    k=(1<<n)-1
    print(k)

C++ Code: 

#include<bits/stdc++.h>
using namespace std;


int main() {
    int t;
    cin >> t;

    while(t--) {
        int n;
        cin >> n;
        cout << (int)pow(2, n) -1 << endl;
    }
    
    return 0;
}


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