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| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #208962 | #5. 在线 O(1) 逆元 | Williamxzh | Compile Error | / | / | C++14 | 474b | 2023-10-09 22:36:47 | 2024-11-05 21:52:58 |
Judging History
你现在查看的是最新测评结果
- [2024-11-05 21:52:58]
- 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
- [2023-10-09 22:36:49]
- 评测
- 测评结果：Compile Error
- 用时：0ms
- 内存：0kb
- [2023-10-09 22:36:47]
- 提交
answer
#pragma GCC optimize("O2,O3,Ofast,inline,unroll-loops")
#pragma GCC target("avx2,sse4")
#include <bits/stdc++.h>
#include <inv.h>
void init(int p){
}
const int mod=998244353;
const __uint128_t brt=((__uint128_t)1<<64)/mod;
int inv(int x){
int b=mod-2;ll ans=1ll,a=1ll*x;
while(b){
if(b&1){ans*=a,ans-=mod*(brt*ans>>64);while(ans>=mod) ans-=mod;}
a*=a,a-=mod*(brt*a>>64);while(a>=mod) a-=mod;
b>>=1;
}
return ans;
}
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);
| ~~~~~^~~~~~~~~~
answer.code:4:10: fatal error: inv.h: No such file or directory
4 | #include <inv.h>
| ^~~~~~~
compilation terminated.