TLE:超时
PA:???啥玩意儿
RE:运行时错误
by char_cha_ch @ 2022-07-15 22:34:16
1.a<=1e9,你这个明显会超时(原因,有两个a循环)
2.re是运行错误,一般原因是因为数组越界
by HeCao2008 @ 2022-07-15 22:35:12
**求助大佬,语气可能有些过了**
by yeeeeeeeeeee @ 2022-07-15 22:35:37
**谢谢**
by yeeeeeeeeeee @ 2022-07-15 22:36:17
@[kirihara233](/user/701221)
emmm,是WA,打错了
by yeeeeeeeeeee @ 2022-07-15 22:38:03
不用回答了,我问了下老师后已经会了
~~我真的服了我位运算都不会了~~
```cpp
#include<bits/stdc++.h>
using namespace std;
int main()
{
int a,b,c=0;
cin>>a;
for(int i=0;i<a;i++)
{
cin>>b;
c^=b;
}
cout<<c;
}
```
by yeeeeeeeeeee @ 2022-07-15 23:02:21
我也是呀,不是说异或值最快又最节约内存吗?
怎么还有TLE,而且有7点?
而且这7点刚好是4MB,怎么还会超出内存限制?
谁有更好的办法吗?
by caojiaming @ 2022-09-01 10:58:29