QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #629270 | #5. 在线 O(1) 逆元 | 7_divided_by_3 | Compile Error | / | / | C++20 | 314b | 2024-10-11 10:09:59 | 2024-11-05 22:05:10 |
Judging History
你现在查看的是最新测评结果
- [2024-11-05 22:05:10]
- 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
- [2024-10-11 10:09:59]
- 评测
- 测评结果：Compile Error
- 用时：0ms
- 内存：0kb
- [2024-10-11 10:09:59]
- 提交
answer
int modp;
void init(int p)
{
modp=p;
}
constexpr power(long long a,long long b,long long p)
{
long long res=1;
a%=p;
while(b)
{
if(b&1)res=(res*a)%p;
a=(a*a)%p;
b>>=1;
}
return res;
}
int inv(int x)
{
return power(x,modp-2,modp);
}
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:7:11: error: ISO C++ forbids declaration of ‘power’ with no type [-fpermissive]
7 | constexpr power(long long a,long long b,long long p)
| ^~~~~