QOJ.ac
QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #879999 | #7962. 前缀和 | lonelywolf# | AC ✓ | 1ms | 4096kb | C++20 | 369b | 2025-02-02 19:46:48 | 2025-02-02 19:46:50 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using namespace std;
void solve() {
int n, l, r;
double p;
cin >> n >> p >> l >> r;
cout << fixed << setprecision(10);
cout << (r - l + 1) * p << "\n";
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t = 1;
// cin >> t;
while (t--) {
solve();
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3968kb
input:
3 0.5 1 2
output:
1.0000000000
result:
ok found '1.0000000', expected '1.0000000', error '0.0000000'
Test #2:
score: 0
Accepted
time: 1ms
memory: 3968kb
input:
1 0.529148 1 1
output:
0.5291480000
result:
ok found '0.5291480', expected '0.5291480', error '0.0000000'
Test #3:
score: 0
Accepted
time: 1ms
memory: 3968kb
input:
1000000000 0.592692 495948205 808386938
output:
185179938.1319279969
result:
ok found '185179938.1319280', expected '185179938.1320000', error '0.0000000'
Test #4:
score: 0
Accepted
time: 1ms
memory: 3968kb
input:
362633210 0.587463 165288121 324679823
output:
93636728.0194889903
result:
ok found '93636728.0194890', expected '93636728.0195000', error '0.0000000'
Test #5:
score: 0
Accepted
time: 1ms
memory: 3968kb
input:
763961137 0.360268 233953864 630625466
output:
142908085.0696039796
result:
ok found '142908085.0696040', expected '142908085.0700000', error '0.0000000'
Test #6:
score: 0
Accepted
time: 0ms
memory: 4096kb
input:
1000000000 0.999999 1 1000000000
output:
999999000.0000000000
result:
ok found '999999000.0000000', expected '999999000.0000000', error '0.0000000'