#include<bits/stdc++.h>
using namespace std;
int n;
int main(){
	char a='A';
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		for(int j=1;j<=i;j++){
			printf("%c",a);
			a++;
			if(a>'Z') a='A';
		}
		printf("\n");
	}
	return 0;
}

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Information

ID
2541
Time
1000ms
Memory
256MiB
Difficulty
7
Tags
# Submissions
16
Accepted
9
Uploaded By