洛谷U406410 2024春晚之刘谦的魔术（附视频讲解）

题目链接https://www.luogu.com.cn/problem/U406410

#include<bits/stdc++.h>
using namespace std;
bool m[15];
bool n[15];
int main()
{
    int a,b,c,d,e,i;
    cin>>a>>b>>c>>d>>e;
    if(b!=a-1)
    {
        cout<<"No";
        return 0;
    }
    else
    {
        int s1=2*a-1-c;
        int s2=2*a-1-d;
        int t1=s1-e%s1;
        int t2=s2-s2%e;
        int bj=1;
        for(i=1;i<s1;i++)
        {
            while(m[bj]!=0)
            {
                bj++;
                if(bj>s1)
                    bj=1;
            }
            bj++;
            if(bj>s1)
                bj=1;
            while(m[bj]!=0)
            {
                bj++;
                if(bj>s1)
                    bj=1;
            }
            m[bj]=1;
        }
        if(m[t1]!=0)
        {
            cout<<"No";
            return 0;
        }
        bj=1; 
        for(i=1;i<s2;i++)
        {
            while(n[bj]!=0)
            {
                bj++;
                if(bj>s2)
                    bj=1;
            }
            bj++;
            if(bj>s2)
                bj=1;
            while(n[bj]!=0)
            {
                bj++;
                if(bj>s2)
                    bj=1;
            }
            n[bj]=1;
        }
        if(n[t2]!=0)
        {
            cout<<"No";
            return 0;
        }
    }
    cout<<"Yes";
    return 0;
}