Submission

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Score: 0

User: hmmm

Problemset: โชว์ของโลมา

Language: cpp

Time: 0.011 second

Submitted On: 2025-03-13 13:55:31

#include<bits/stdc++.h>
using namespace std;

int main(){
	ios::sync_with_stdio(0); cin.tie(0);
	int n,ans=0,to=0;
	cin >> n;
	int cnt=n;
	while(cnt>=4){
		to+=cnt*2;
		to+=cnt-2;
		ans+=to%10;
		ans+=(to+1)%10;
		cout << to%10 << ' ' << (to+1)%10 << ' ' << cnt << "\n";
		to+=cnt-2;
		cnt-=2;
//		to++;
		
	}	
	ans+=(n*n)%10+(n*n-1)%10;
	cout << ans;
}