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 |
|---|---|---|---|---|---|---|---|---|---|
| #290081 | #7962. 前缀和 | daydream# | AC ✓ | 0ms | 3992kb | C++20 | 473b | 2023-12-24 12:35:23 | 2023-12-24 12:35:23 |
Judging History
answer
#include<bits/stdc++.h>
#define db double
#define LL long long
#define pb push_back
#define eb emplace_back
#define mp make_pair
using namespace std;
const int dx[]={0,1,0,-1,1,1,-1,-1},
dy[]={1,0,-1,0,1,-1,1,-1};
int n,l,r;
db P;
void solve()
{
cin>>n>>P>>l>>r;
cout<<fixed<<setprecision(6)<<P*(r-l+1)<<endl;
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);cout.tie(0);
int TT=1;
// cin>>TT;
for(;TT;--TT) solve();
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3992kb
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: 3984kb
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: 3880kb
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: 3864kb
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: 3876kb
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: 3928kb
input:
1000000000 0.999999 1 1000000000
output:
999999000.000000
result:
ok found '999999000.0000000', expected '999999000.0000000', error '0.0000000'