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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 |
|---|---|---|---|---|---|---|---|---|---|
| #464831 | #5. 在线 O(1) 逆元 | ETO_leader | 0 | 0ms | 3896kb | C++23 | 278b | 2024-07-06 15:18:15 | 2024-11-05 21:59:48 |
Judging History
answer
using ulint=unsigned long long;
static constexpr auto MOD=998244353;
void init(int p){}
constexpr auto Inv(ulint x){
auto res=0ull;auto b=MOD-2;
while(b){
if(b&1) (res*=res)%=MOD;
(x*=x)%=MOD;b>>=1;
}
return res;
}
int inv(int x){return Inv(x);}
详细
Pretests
Final Tests
Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3880kb
Test #2:
score: 0
Wrong Answer
time: 0ms
memory: 3896kb
Test #3:
score: 0
Wrong Answer
time: 0ms
memory: 3852kb
Test #4:
score: 0
Wrong Answer
time: 0ms
memory: 3880kb
Test #5:
score: 0
Wrong Answer
time: 0ms
memory: 3752kb