UVA - 129 Krypton Factor C++

题目:https://odzkskevi.qnssl.com/cec524ae62aa641d4fa8a9936d0f3b4a?v=1531960847

思路:

输出每四个空一格,没16个换一行!

代码:

#include<iostream>
#include<cstring>
#include<string>
#include<cstdio>
using namespace std;
int cnt;
int n,L;
int ans;
int S[100001];
int dfs(int cur)
{
    if(cnt++==n){
        for(int i=0;i<cur;i++){if(i%4==0&&i&&i<cur&&i%64!=0)cout<<" ";if(i&&i%64==0&&i<cur)cout<<endl;printf("%c",'A'+S[i]);ans++;}
        printf("\n");
        return 0;
    }
    for(int i=0;i<L;i++)
    {
        S[cur]=i;
        int ok=1;
        for(int j=1;j*2<=cur+1;j++)
        {
            int equal_=1;
            for(int k=0;k<j;k++)
            if(S[cur-k]!=S[cur-k-j]){equal_=0;break;}
            if(equal_){ok=0;break;}
        }
        if(ok)if(!dfs(cur+1))return 0;
    }
    return 1;
}

int main()
{
    while(cin>>n>>L&&n&&L){
        ans=0;
        cnt=0;
        dfs(0);
        cout<<ans<<endl;
    }
    return 0;
}

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转载自blog.csdn.net/zero_979/article/details/81205702
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