QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #815236 | #7962. 前缀和 | hansiyuan# | AC ✓ | 0ms | 3920kb | C++14 | 177b | 2024-12-15 09:04:05 | 2024-12-15 09:04:05 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
int n,l,r;
double p;
int main(){
scanf("%d%lf%d%d",&n,&p,&l,&r);
printf("%.8lf\n",1.0*(r-l+1)*p);
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3868kb
input:
3 0.5 1 2
output:
1.00000000
result:
ok found '1.0000000', expected '1.0000000', error '0.0000000'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3788kb
input:
1 0.529148 1 1
output:
0.52914800
result:
ok found '0.5291480', expected '0.5291480', error '0.0000000'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3860kb
input:
1000000000 0.592692 495948205 808386938
output:
185179938.13192800
result:
ok found '185179938.1319280', expected '185179938.1320000', error '0.0000000'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3920kb
input:
362633210 0.587463 165288121 324679823
output:
93636728.01948899
result:
ok found '93636728.0194890', expected '93636728.0195000', error '0.0000000'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3872kb
input:
763961137 0.360268 233953864 630625466
output:
142908085.06960398
result:
ok found '142908085.0696040', expected '142908085.0700000', error '0.0000000'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3856kb
input:
1000000000 0.999999 1 1000000000
output:
999999000.00000000
result:
ok found '999999000.0000000', expected '999999000.0000000', error '0.0000000'