P5725(求三角形)

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n;
    scanf("%d", &n);
    int num = 1;
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
            printf("%02d", num++);
        printf("\n");
    }
    num = 1;
    printf("\n");
    int index = n - 1;
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
            if (j >= index)
                printf("%02d", num++);
            else
                printf("  ");
        index--;
        printf("\n");
    }

    return 0;
}