等边三角形怎么编码啊

Answer 1

#include <stdio.h>int main(void){int a,b,c,n;scanf("%d",&n);for(a=1;a<=n;a++){for(b=n;b>=a;b--){printf(" ");}for(c=1;c<=2*a-1;c++){printf("*");}printf("\n");}return 0;}