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c_cpp
2 years ago
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#include <bits/stdc++.h>
#define ll long long
#define MAX 1000000000;
using namespace std;

// void solve(int n){
//     int i = 1;
//     float sum = 0.0f;
//     cin >> n;
//     do {
//         sum += 1.0/i*(i+1);
//         i++;
//     } while (i < n);
//     cout << "sum = " <<  sum;
//
// }
int main()
{
    //    cout << "ket qua: " << endl;
    //	  cout << solve(1);
    //	solve(1);
    int n;
    cin >> n;
    int arr[n];
    float sum = 0.0f;
    ll result;
    for (int i = 0; i < n; i++)
    {
        cin >> arr[i];
    }
    for (int i = 0; i < n; i++)
    {
        sum = float(1 - 1 / (arr[i] + 1));
        cout << "sum " << i << sum << endl;
        result = (1 - sum) * MAX;
        cout << result << endl;
    }

    return 0;
}
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