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c_cpp
3 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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