编辑代码

#include <stdio.h>
#include <stdlib.h>
int main () {
    int n,i,j;
    scanf("%d",&n);
    i=1;
    while(i<=n){
        j=1;
        while(j<=i){
        printf("%d",i);
        j+=1;
        }
        printf("\n");
        i+=1;
    }
    return 0;
}