2955: 判决素数个数
```cpp#include#includeusingnamespacestd;boolgg(intx){if(x==1)returnfalse;if(x==2)returntrue;intj=2;while(j>n>>m;for(inti=min(n,m);i
题解列表
2827: 计算多项式的导函数
摘要：```cpp
#include
using namespace std;
int main()
{
int a,b,c;
cin>>a;
if(a==0)
……
2868: 最长最短单词
```cpp#include#includeusingnamespacestd;chara[40000];intb[300],c[300],d[300];intmain(){gets(a);intlen=strlen(a),minn=0,maxx=0,k=0;for(inti=0,j=0;i
2862: 字符串移位包含问题
```cpp#include#includeusingnamespacestd;chars1[101],s2[101],x[101];intmain(){cin>>s1>>s2;if(strlen(s1)
2825: 计算多项式的值
```cpp#include#includeusingnamespacestd;intn;doublex,xn=1,sum=1;intmain(){cin>>x>>n;for(inti=1;i
2799: 奥运奖牌计数
```cpp#include#includeusingnamespacestd;intmain(){intfmax,maxs=0,a[10001],b[10001];memset(b,0,sizeof(b));cin>>fmax;for(inti=1;i>a[i];b[a[i]]++;if(a[i]>
2544: N以内累加求和
摘要：```cpp
#include
using namespace std;
int main()
{
int n;
cin>>n;
cout……
3128: 连接格点(grid)
```cpp#includeusingnamespacestd;constintN=1e6+10;intn,m,p[N];intfindth(intx){if(x==p[x])returnx;returnp[x]=findth(p[x]);}intunionn(intx,
1050: [编程入门]结构体之成绩记录
```cpp#includeusingnamespacestd;structStudent{stringnum,name;intMath,English,Chinese;};Studentinput(Student);voidprint(Student);intmain(){intN;cin>>N;S
1049: [编程入门]结构体之时间设计
```cpp#includeusingnamespacestd;structDate{intyear,mouth,day;};intIsLeapYear(Datedate){if(date.year%4==0&&date.year%100!=0||date.year%400==0){return1;}