Submission #9192

#	Time	Username	Problem	Language	Result	Execution time	Memory
9192		dominyellow	N-orthotope (kriii2_N)	C++98	4 / 4	0 ms	1204 KiB

N

#include <stdio.h>
#include <set>
#include <vector>

using namespace std;

int main(void){
	int N;
	scanf("%d", &N);

	int tmpa, tmpb;
	
	vector<pair<int, int> > pair_vec;
	for(int i=0; i<N; i++){
		scanf("%d%d", &tmpa, &tmpb);
		pair_vec.push_back(make_pair(tmpa, tmpb));
	}

	int on_line_count=0;

	for(int i=0; i<N; i++){
		scanf("%d%d", &tmpa, &tmpb);
		if(tmpa < pair_vec[i].first){
			if(tmpb < pair_vec[i].first){
				printf("-1\n");
				return 0;
			}
			else if(tmpb == pair_vec[i].first){
				on_line_count += 1;
			}
			else{
				continue;
			}
		}
		else{
			if(tmpa > pair_vec[i].second){
				printf("-1\n");
				return 0;
			}
			else if(tmpa == pair_vec[i].second){
				on_line_count += 1;
			}
			else{
				continue;
			}
		}
	}
	printf("%d\n", N-on_line_count);
	return 0;
}

• Subtask 1: 1 / 1
• Subtask 2: 3 / 3