1248: 简单的事情
```cpp#includeusingnamespacestd;unsignedlonglongintjiecheng(intn){if(n==0)return1;else{unsignedlonglongintm=1;for(inti=1;i>n>>m){unsignedlonglongret=1;
题解列表
1247: 筛排处理
摘要：```cpp
#include
#include
using namespace std;
int main()
{
int n;
while(cin>>n&&n)
……
字符串编辑 略微麻烦
摘要：解题思路:分功能解决注意事项:参考代码:#include<iostream>#include<string>using namespace std;int main(){ string a; ……
1951 求平方和 题解
摘要：只要用a2+b22就行了参考代码一：#includeusing namespace std;int main(){ int a,b; cin>>a>>b; cout<<a*a+b*b……
1243: 破解平方数
```cpp#include#includeusingnamespacestd;typedeflonglongll;intt,m,r[101];llDFS(inti,llmul){if(i==m){llsqr=sqrt(1.0*mul);if(sqr*sqr==mul)return1;elseretu
巧妙运用'\0'
```c#include#include#includeintmain(){intn,flag=0;chara[100],b[100];gets_s(a);intk=strlen(a);if(a[k-2]=='e'&&a[k-1]=='r'||a[k-2]=='l'&&a[k-1]=='y')a[k-
1242: 矩阵转置
摘要：```cpp
#include
using namespace std;
int a[1001][1001];
int main()
{
int n;
cin>>n;
……