제출 #3357

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
3357		jiyong3	두 섬간의 연결 (kriii1_2)	C++98	0 / 1	220 ms	2452 KiB

2

#include <iostream>
using namespace std;

#define MAXN 100000

int n;
int boundary[MAXN+1];
int NumOfConnection[MAXN+1];

void printValue(long long n)
{
	long long v1=n*(n+1)/2;
	long long v2=(n*(n+1)*(2*n+1)/6 + v1) / 2;
	cout << v1 << " " << v2 << endl;
}

int main()
{
	cin >> n;

	for(int i=1;i<=n;i++)
	{
		boundary[i]=i;
		NumOfConnection[i]=1;
	}

	for(int i=0;i<n-1;i++)
	{
		int t;
		cin >> t;

		int left=boundary[t];
		int right=boundary[t+1];
		
		int sum=NumOfConnection[t]+NumOfConnection[t+1];
		printValue(sum-1);
		
		int tmp=boundary[left];
		boundary[left]=boundary[t+1];
		boundary[right]=(left==t) ? tmp : boundary[t];
		NumOfConnection[left]=NumOfConnection[right]=sum;
	}
}

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