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| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #624772 | #5. 在线 O(1) 逆元 | BlackPanda | Compile Error | / | / | C++14 | 211b | 2024-10-09 16:35:59 | 2024-10-09 16:36:03 |
Judging History
你现在查看的是测评时间为 2024-10-09 16:36:03 的历史记录
- [2024-11-05 22:04:45]
- 管理员手动重测本题所有提交记录
- 测评结果：Compile Error
- 用时：0ms
- 内存：0kb
- [2024-10-09 16:36:03]
- 评测
- 测评结果：Compile Error
- 用时：0ms
- 内存：0kb
- [2024-10-09 16:35:59]
- 提交
answer
#include "inv.h"
int inv[100000001];
void init(int p)
{
inv[1] = 1;
for (int i = 2; i <= 100000000; i ++ )
{
inv[i] = (p - p / i) * inv[p % i] % p;
}
}
int inv(int x)
{
return inv[x];
}
详细
implementer.cpp: In function ‘int main()’:
implementer.cpp:22:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
22 | scanf("%d", &n);
| ~~~~~^~~~~~~~~~
answer.code:3:18: error: ‘int inv [100000001]’ redeclared as different kind of entity
3 | int inv[100000001];
| ^
In file included from answer.code:1:
inv.h:2:5: note: previous declaration ‘int inv(int)’
2 | int inv(int n);
| ^~~
answer.code: In function ‘void init(int)’:
answer.code:7:14: warning: pointer to a function used in arithmetic [-Wpointer-arith]
7 | inv[1] = 1;
| ^
answer.code:7:16: error: assignment of read-only location ‘*(inv + 1)’
7 | inv[1] = 1;
| ~~~~~~~^~~
answer.code:10:22: warning: pointer to a function used in arithmetic [-Wpointer-arith]
10 | inv[i] = (p - p / i) * inv[p % i] % p;
| ^
answer.code:10:49: warning: pointer to a function used in arithmetic [-Wpointer-arith]
10 | inv[i] = (p - p / i) * inv[p % i] % p;
| ^
answer.code:10:38: error: invalid operands of types ‘int’ and ‘int(int)’ to binary ‘operator*’
10 | inv[i] = (p - p / i) * inv[p % i] % p;
| ~~~~~~~~~~~ ^ ~~~~~~~~~~
| | |
| int int(int)
answer.code: In function ‘int inv(int)’:
answer.code:16:21: warning: pointer to a function used in arithmetic [-Wpointer-arith]
16 | return inv[x];
| ^
answer.code:16:21: error: invalid conversion from ‘int (*)(int)’ to ‘int’ [-fpermissive]
16 | return inv[x];
| ^
| |
| int (*)(int)