레이팅 미적용설명
SCORING
Test data worth 30 points has (\(1 \le X1 < X2 \le 10^{3}\), \(1 \le Y1 < Y2 \le 10^{3}\)).
Test data worth 60 points has (\(1 \le X1 < X2 \le 10^{6}\), \(1 \le Y1 < Y2 \le 10^{6}\)).
제약
Test data worth 30 points has (\(1 \le X1 < X2 \le 10^{3}\), \(1 \le Y1 < Y2 \le 10^{3}\)).
Test data worth 60 points has (\(1 \le X1 < X2 \le 10^{6}\), \(1 \le Y1 < Y2 \le 10^{6}\)).
입력 형식
출력 형식
예제 1
입력
6
1 2
3 2
2 3
2 5
4 4
6 3
4
2 2 4 4
2 2 6 5
3 3 5 6
5 1 6 6출력
3
4
0
1문제 정보