| Task: | Arvonta |
| Sender: | mangolassi |
| Submission time: | 2025-09-07 11:55:41 +0300 |
| Language: | C++ (C++11) |
| Status: | READY |
| Result: | 100 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 37 |
| #2 | ACCEPTED | 63 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.00 s | 1, 2 | details |
| #2 | ACCEPTED | 0.01 s | 2 | details |
Code
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int q;
cin >> q;
for (int qi = 0; qi < q; ++qi) {
int n;
cin >> n;
ld mult = 1 - (ld)1 / n;
ld res = 1;
for (int i = 0; i < n; ++i) res = res * mult;
cout << fixed << setprecision(20) << (1 - res) << '\n';
}
}
Test details
Test 1
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 10 1 2 3 4 ... |
| correct output |
|---|
| 1.0 0.75 0.7037037037 0.68359375 0.67232 ... |
| user output |
|---|
| 1.00000000000000000000 0.75000000000000000000 0.70370370370370370378 0.6835937500000000000 ... Truncated |
Test 2
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 1000 1 2 3 4 ... |
| correct output |
|---|
| 1.0 0.75 0.7037037037 0.68359375 0.67232 ... |
| user output |
|---|
| 1.00000000000000000000 0.75000000000000000000 0.70370370370370370378 0.6835937500000000000 ... Truncated |