编辑代码

#include <stdio.h>
int main () {
    //JSRUN引擎2.0，支持多达30种语言在线运行，全仿真在线交互输入输出。 
	int n,m;
    scanf("%d %d",&n,&m);
    int ar[n][n];
   for (int i = 0; i<n;i++)
   {
       for (int j = 0;j<n;j++)
       {
           ar[i][j] = 0;
       }
   }
   
    int x1,y1,x2,y2;
    for (int count = 0;count < m; count++)
    {
        scanf("%d %d %d %d",&x1,&y1,&x2,&y2);
        
        //进行循环遍历
        for(int i = x1;i <=x2; i++)
        {
            for (int j = y1;j <= y2;j++)
            {
                ar[i-1][j-1]++;
            }
        }
    }
    for (int i = 0;i<n;i++)
    {
        for (int j = 0; j< n;j++)
        {
            printf("%d ",ar[i][j]);
        }
        printf("\n");
    }
	return 0;
}