Submission #9406

#	Time	Username	Problem	Language	Result	Execution time	Memory
9406		lhch6759	N-orthotope (kriii2_N)	C++98	0 / 4	0 ms	1672 KiB

N

// 제2회 kriiICPC
// 
// 

#include <iostream>
#include <vector>

using namespace std;


int main(){

	int case_num;
	cin >> case_num;

	int A[12][2];
	int B[12][2];
	int orthotope[12]; //안겹칠 경우 -1, 한점에서 만나는경우 0, 선이 겹치는 경우 1
	
	//input
	for (int nc = 0; nc < case_num; nc++){
		orthotope[nc] = 0;
	
		for (int n = 0; n < 2; n++){
			cin >> A[nc][n];	
		}
	}
	for (int nc = 0; nc < case_num; nc++){
		for (int n = 0; n < 2; n++){
			cin >> B[nc][n];
		}
	}
	
	//
	
	for (int i = 0; i < case_num; i++){
		// 끝에서 걸칠 경우
		
		//if (A[i][1] == B[i][1] || A[i][0] == B[i][0])	orthotope[i] = 0;
		
		//다른 선분 사이에 있을경우
		if (A[i][1] <= B[i][1] && B[i][0] <= A[i][1]) orthotope[i] ++; //A[i][1]
		if (B[i][0] <= A[i][0] && A[i][0] <= B[i][1]) orthotope[i] ++; // A[i][0]

		if (B[i][0] >= A[i][0] && B[i][0] <= A[i][1]) orthotope[i] ++; // B[i][0]
		if (B[i][1] <= A[i][1] && B[i][1] >= A[i][0]) orthotope[i] ++; // B[i][1]


		if (A[i][1] == B[i][0])  orthotope[i] = -2; //B[i][0]
		else if (B[i][1] == A[i][0])  orthotope[i] = -2; //A[i][0]
		
		if (orthotope[i] == 0) orthotope[i] = -1;
		if (orthotope[i] == -2) orthotope[i] = 0;

		
	}
	int result = -1;
	int dot_flag = 0;
	for (int i = 0; i < case_num; i++){
		if (orthotope[i] >= 0){
			if (result == -1) result = 0;
			result++;
			if (orthotope[i] > 0 ) dot_flag = 1;
		}
	}
	/*
	if (result == -1){
		for (int i = 0; i < case_num; i++){
			if (orthotope[i] == 0) result = 0;
		}
	}
	*/
	if (dot_flag == 0) cout << 0 << endl;
	else				cout << result << endl;
	cout << result << endl;

	
}

• Subtask 1: 0 / 1
• Subtask 2: 0 / 3