#include<stdio.h> int main() { char n; printf("请输入一个字符："); scanf("%c",&n); for(int i=1;i<=3;i++) { for(int j=1;j<=3-i;j++) { printf(" "); } for(int j=1;j<=2*i-1;j++) { printf("%c",n); } printf("\n"); } return 0; }

#include<iostream>
using namespace std;
int main() {
	char a;
	cin >> a;
	cout << "  " << a << endl;
	cout << " " << a << a << a << endl;
	cout << a << a << a << a << a << endl;
	return 0;
}

#include<stdio.h>
int main(){
	char n;
	scanf("%c",&n);
    printf("  %c\n",n);	
    printf(" %c%c%c\n",n,n,n);
    printf("%c%c%c%c%c\n",n,n,n,n,n);
    return 0;
	
}