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1004_字符三角形

#include <iostream>
#include <cstdio>
using namespace std;
int main()
{
char c;
cin>>c;
printf(" %c\n",c);
printf(" %c%c%c\n",c,c,c);
printf("%c%c%c%c%c",c,c,c,c,c);
return 0;
}