제출 #398922

#제출 시각아이디문제언어결과실행 시간메모리
398922AlexandraTuna (COCI17_tuna)C++14
50 / 50
1 ms316 KiB
#include <iostream>
#include <string>
#include <vector>
#include <cmath>
#include <algorithm>

using namespace std;

int main() {
	ios::sync_with_stdio(false);
	cin.tie(NULL);

	int n, resp=0, x;
	cin >> n;
	cin >> x;

	for (int i=0; i<n; i++) {
		int p1, p2;
		cin >> p1 >> p2;

		if (p1<p2) {
			if (p2-p1<=x) {
				resp += p2;
			}

			else {
				int p3;
				cin >> p3;
				resp += p3;
			}
		}

		else {
			if (p1-p2<=x) {
				resp += p1;
			}

			else {
				int p3;
				cin >> p3;
				resp += p3;
			}
		}
	}
	cout << resp;
	return 0;
}
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