View Code of Problem 53

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


//第二次写简化了 一些 

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