Submission #8418

#	Time	Username	Problem	Language	Result	Execution time	Memory
8418		tncks0121	N-orthotope (kriii2_N)	C++98	0 / 4	0 ms	1088 KiB

N

#include <cstdio>
using namespace std;

int n, s[100], e[100];

int main() {
	scanf("%d", &n);
	for(int i = 0; i < n; i++) scanf("%d%d", s+i, e+i);
	
	int res = n;
	for(int i = 0; i < n; i++) {
		int x, y; scanf("%d%d", &x, &y);
		if(x == e[i] || y == s[i]) --res;
		else if(x > e[i] && y < s[i]) res = -1;
	}
	
	printf("%d\n", res);
	// your code goes here
	return 0;
}

• Subtask 1: 0 / 1
• Subtask 2: 0 / 3