@[m3o7o2n1](/user/1279238) 把 $sum$ 初始化为0
by DFs_YYDS @ 2024-02-06 19:29:32
@[m3o7o2n1](/user/1279238) [试过了,可以AC](https://www.luogu.com.cn/record/146391476)
by DFs_YYDS @ 2024-02-06 19:30:53
@[m3o7o2n1](/user/1279238) 你
```
sum
```
没初始化成0
by wuboyan714 @ 2024-02-06 19:33:04
有的编译器会帮你把没初始化的初始化成0,但洛谷会给它一个随机值,
by wuboyan714 @ 2024-02-06 19:34:58
还有你这题也太像题解了吧。。。
by wuboyan714 @ 2024-02-06 19:36:20
@[DFs_YYDS](/user/1119406) 好的好的,太感谢了!!!/(ㄒoㄒ)/~~
by m3o7o2n1 @ 2024-02-06 19:43:01
@[wuboyan714](/user/1145476) 好的好的明白了,太感谢了!!!இ௰இ
by m3o7o2n1 @ 2024-02-06 19:43:56
@[wuboyan714](/user/1145476) 之前做过类似的数字反转题目,当时不会做就看题解记住了这种算法இ௰இ
by m3o7o2n1 @ 2024-02-06 19:45:27
@[m3o7o2n1](/user/1279238) 今天突然看到这个帖子,告诉你一个事情,你用0分的代码,把O2关了就能AC
by DFs_YYDS @ 2024-02-11 11:21:56
```
#include<bits/stdc++.h>
using namespace std;
int n,s=0;
int main()
{
cin>>n;
while(n) s=s*10+n%10,n/=10;
cout<<s;
return 0;
}
```
by lunxiaotong0118 @ 2024-02-18 14:46:02