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| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #241447 | #5. 在线 O(1) 逆元 | mfeitveer | Compile Error | / | / | C++14 | 407b | 2023-11-06 07:45:59 | 2024-11-05 21:54:07 |
Judging History
你现在查看的是最新测评结果
- [2024-11-05 21:54:07]
- 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
- [2023-11-06 07:46:00]
- 评测
- 测评结果：Compile Error
- 用时：0ms
- 内存：0kb
- [2023-11-06 07:45:59]
- 提交
answer
#include "inv.h"
const int N = 10000010;
const int mod = 998244353;
typedef long long ll;
ll Inv[N];
inline ll ask(ll x)
{
if(x <= 10000000) return Inv[x];
return (mod - mod / x) * ask(mod % x) % mod;
}
inline void init(int p)
{
Inv[1] = 1;
for(int i = 2;i <= 10000000;i++)
Inv[i] = (mod - mod / i) * Inv[mod % i] % mod;
}
inline int inv(int x)
{
return ask(x);
}
Details
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);
| ~~~~~^~~~~~~~~~
/usr/bin/ld: /tmp/ccG4WlEC.o: in function `main':
implementer.cpp:(.text.startup+0x12b): undefined reference to `init(int)'
/usr/bin/ld: implementer.cpp:(.text.startup+0x1d0): undefined reference to `inv(int)'
collect2: error: ld returned 1 exit status