F - Queen Collision (模拟题,找规律)

题意链接

#include<cstdio>
#include<iostream>
#include<cstring>
int xx[30010],yy[30010],cx[60020],cy[60020];
int main()
{
    int n;
    while(~scanf("%d",&n)&&n)
    {
        memset(xx,0,sizeof(xx));
		memset(yy,0,sizeof(yy));
		memset(cx,0,sizeof(cx));
		memset(cy,0,sizeof(cy));
        int m;
        scanf("%d",&m);
        while(m--)
        {
        int k,x,y,s,t;
        scanf("%d %d %d %d %d",&k,&x,&y,&s,&t);
        int p,q;
        for(int i=0;i<k;i++)
        {
            p=x+i*s;
            q=y+i*t;
            xx[p]++;
            yy[q]++;
            cx[p+q]++;
            cy[p-q+n]++;
        }
        }
        int sum=0;
        for(int i=1;i<=n;i++)
        {
            if(xx[i])
                sum+=xx[i]-1;
            if(yy[i])
                sum+=yy[i]-1;
        }
        for(int i=1;i<=2*n;i++)
        {
            if(cx[i])
                sum+=cx[i]-1;
            if(cy[i])
                sum+=cy[i]-1;
        }
        printf("%d\n",sum);
    }
    return 0;
}

找出四个规律

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转载自blog.csdn.net/qq_42232118/article/details/81583553
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