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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 |
|---|---|---|---|---|---|---|---|---|---|
| #813897 | #7962. 前缀和 | Gemini7X | AC ✓ | 0ms | 3864kb | C++14 | 413b | 2024-12-14 13:28:09 | 2024-12-14 13:28:10 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int maxn = 5e5 + 5;
template <typename T>
void read(T &x)
{
T sgn = 1;
char ch = getchar();
for (; !isdigit(ch); ch = getchar()) if (ch == '-') sgn = -1;
for (x = 0; isdigit(ch); ch = getchar()) x = x * 10 + ch - '0';
x *= sgn;
}
int main()
{
int n, l, r;
double p;
cin >> n >> p >> l >> r;
cout << p * (r - l + 1);
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3864kb
input:
3 0.5 1 2
output:
1
result:
ok found '1.0000000', expected '1.0000000', error '0.0000000'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3812kb
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: 3856kb
input:
1000000000 0.592692 495948205 808386938
output:
1.8518e+08
result:
ok found '185180000.0000000', expected '185179938.1320000', error '0.0000003'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3800kb
input:
362633210 0.587463 165288121 324679823
output:
9.36367e+07
result:
ok found '93636700.0000000', expected '93636728.0195000', error '0.0000003'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3804kb
input:
763961137 0.360268 233953864 630625466
output:
1.42908e+08
result:
ok found '142908000.0000000', expected '142908085.0700000', error '0.0000006'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3836kb
input:
1000000000 0.999999 1 1000000000
output:
9.99999e+08
result:
ok found '999999000.0000000', expected '999999000.0000000', error '0.0000000'