QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #697850 | #7962. 前缀和 | AKALemon | AC ✓ | 1ms | 3948kb | C++23 | 342b | 2024-11-01 16:02:39 | 2024-11-01 16:02:40 |
Judging History
answer
#include<bits/stdc++.h>
using i64 = long long;
using db = long double;
int main(){
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr), std::cout.tie(nullptr);
db n, p, l, r;
std::cin >> n >> p >> l >> r;
std::cout << std::setprecision(6) << std::fixed << (r - l + 1) * p << "\n";
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3948kb
input:
3 0.5 1 2
output:
1.000000
result:
ok found '1.0000000', expected '1.0000000', error '0.0000000'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3940kb
input:
1 0.529148 1 1
output:
0.529148
result:
ok found '0.5291480', expected '0.5291480', error '0.0000000'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3888kb
input:
1000000000 0.592692 495948205 808386938
output:
185179938.131928
result:
ok found '185179938.1319280', expected '185179938.1320000', error '0.0000000'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3896kb
input:
362633210 0.587463 165288121 324679823
output:
93636728.019489
result:
ok found '93636728.0194890', expected '93636728.0195000', error '0.0000000'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3888kb
input:
763961137 0.360268 233953864 630625466
output:
142908085.069604
result:
ok found '142908085.0696040', expected '142908085.0700000', error '0.0000000'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3872kb
input:
1000000000 0.999999 1 1000000000
output:
999999000.000000
result:
ok found '999999000.0000000', expected '999999000.0000000', error '0.0000000'