打印半金字塔數字https://www.educba.com/number-patterns-in-c/

 

#include<stdio.h>

#include<conio.h>

int main()

{

int n, i, j;

printf("Enter the number of rows: ");

scanf("%d",&n);

for(i = 1; i <= n; i++)//跑n遍 i跑1遍j跑1遍

{

for(j = 1; j <= i; j++)//

{

   printf("%d",i);//印外loop的數字 1 22 333 4444

}

printf("\n");

}

return 0;

}