2074.cpp

杭电 acm部分代码 有兴趣的可以下载 谢谢

#include<iostream>
using namespace std;
void pre(int k,char c1,char c2){
    int i=0;
    while(1){
        cout<<c1;
        i++;
        if(i==k)    break;
        cout<<c2;
        i++;
        if(i==k)    break;
    }
}
void line(int n,int k,char c1,char c2){
    if(k>(n-1)/2)   k=n-1-k;
    pre(k,c1,c2);
    char c=(k%2==0?c1:c2);
    for(int i=0;i<n-2*k;i++)
        cout<<c;
    if(k%2)
        pre(k,c1,c2);
    else
        pre(k,c2,c1);
    cout<<endl;
}
void draw(int n,char c1,char c2){
    cout<<" ";
    for(int i=0;i<n-2;i++)
        cout<<c1;
    cout<<" \n";
    for(int i=1;i<=n-2;i++)
        line(n,i,c1,c2);
    cout<<" ";
    for(int i=0;i<n-2;i++)
        cout<<c1;
    cout<<" \n";
}
void main()
{
    int n,k=0;
    char c1,c2;
    while(cin>>n>>c1>>c2){
        if(k>0)
            cout<<endl;
        if(n==1){
            cout<<c1<<endl;
            continue;
        }
        if(((n-1)/2)%2==0)
            draw(n,c1,c2);
        else
            draw(n,c2,c1);
        k++;
    }
}