题解 | #蛇形矩阵#

#include <stdio.h>

int main() {
    int l = 0;
    scanf("%d",&l);
    int p = 1;
    int line = 0;
    int add = 0;
    for(int i = 0; i < l; i++)
    {
        p = p+i;
        add = i+1;
        line = p;
        for(int j = i; j < l; j++)
        {
            printf("%d ",line);
            line += ++add;
        }
        printf("\n");
    }
    return 0;
}