QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #546864 | #7962. 前缀和 | wangjingheng# | AC ✓ | 0ms | 3952kb | C++20 | 372b | 2024-09-04 15:01:11 | 2024-09-04 15:01:11 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define db long double
using namespace std;
const int N=5e5+10;
void solve(){
int n;cin>>n;
db p;cin>>p;
int l,r;cin>>l>>r;
db res=p*(r-l+1);
printf("%.9Lf",res);
}
signed main(){
ios::sync_with_stdio(false);
cin.tie(0);cout.tie(0);
// int T;cin>>T;
// while(T--)
solve();
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3876kb
input:
3 0.5 1 2
output:
1.000000000
result:
ok found '1.0000000', expected '1.0000000', error '0.0000000'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3876kb
input:
1 0.529148 1 1
output:
0.529148000
result:
ok found '0.5291480', expected '0.5291480', error '0.0000000'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3952kb
input:
1000000000 0.592692 495948205 808386938
output:
185179938.131928000
result:
ok found '185179938.1319280', expected '185179938.1320000', error '0.0000000'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3876kb
input:
362633210 0.587463 165288121 324679823
output:
93636728.019489000
result:
ok found '93636728.0194890', expected '93636728.0195000', error '0.0000000'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3840kb
input:
763961137 0.360268 233953864 630625466
output:
142908085.069604000
result:
ok found '142908085.0696040', expected '142908085.0700000', error '0.0000000'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3948kb
input:
1000000000 0.999999 1 1000000000
output:
999999000.000000000
result:
ok found '999999000.0000000', expected '999999000.0000000', error '0.0000000'