题解 | #蛇形矩阵#

#include <stdio.h>

int main()
{
    int array[100] = {0};
    int num = 0;
    scanf("%d", &num);
    int count = 1;
    /* 给首行赋值 */
    array[0] = 1;
    for(int i = 1; i <= num; i++)
    {
        array[i] = i+1+array[i-1];
        //设num = 4;
        //array[0] = 1; array[1] = 3; array[2] = 6; array[3] = 10;
    }
    /* 打印首行 */
    for(int i = 0; i < num; i++)
    {
        printf("%d ", array[i]);
    }
    printf("\n");
    
    /* 打印剩余行，规则：第二行为上一行元素减一，再去掉一个数 */
    for(int i = num-1; i > 0; i--)
    {
        for(int j = 0; j < i; j++)
        {
            printf("%d ", array[j+1]-1);
            array[j] = array[j+1]-1;    //将下一行数据写入数组中
        }
        printf("\n");
    }
    
    return 0;
}