View Code of Problem 57

#include<stdio.h>
#include<string.h>
int main(){
    int n;
    scanf("%d",&n);
    for (int i = 0; i <n ; i++) {
        for (int j = 0; j <n-i-1 ; j++) {
            printf(" ");
        }
        for (int k = 0; k <i+1 ; k++) {
            printf("%d",k+1);
        }
        for (int l = i; l>0 ; l--) {
            printf("%d",l);
        }
        printf("\n");
    }
    for (int i = n-2; i >=0 ; i--) {
        for (int j = 0; j <n-i-1 ; j++) {
            printf(" ");
        }
        for (int k = 0; k <i+1 ; k++) {
            printf("%d",k+1);
        }
        for (int l = i; l>0 ; l--) {
            printf("%d",l);
        }
        printf("\n");
    }

    return 0;
}