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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 |
|---|---|---|---|---|---|---|---|---|---|
| #298916 | #7962. 前缀和 | asdvgy | AC ✓ | 1ms | 3816kb | C++17 | 364b | 2024-01-06 15:49:53 | 2024-01-06 15:49:53 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define endl '\n'
typedef long long LL;
typedef unsigned long long ULL;
typedef pair<int,int> PII;
const int base=13331;
const int INF=0x3f3f3f3f;
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
double n,p,l,r;
cin>>n>>p>>l>>r;
cout<<fixed<<setprecision(10)<<(r-l+1)*p<<endl;
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3816kb
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: 0ms
memory: 3740kb
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: 3736kb
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: 3808kb
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: 0ms
memory: 3764kb
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: 3652kb
input:
1000000000 0.999999 1 1000000000
output:
999999000.0000000000
result:
ok found '999999000.0000000', expected '999999000.0000000', error '0.0000000'