Submission #66310545

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Source Code Expand

#include <atcoder/all>
#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#include <queue>
#include <iomanip>
#define rep(i,n) for(int i=(0);i<(n);i++)

using namespace std;
using namespace atcoder;

typedef long long int ll;
typedef pair<int, int> pii;

template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> bool chmin(T& a, const T& b) { if (a > b) { a = b; return 1; } return 0; }

int main() {

	cin.tie(0);
	ios::sync_with_stdio(false);

	int N, S;
	cin >> N >> S;

	vector<int> T(N + 1);
	T[0] = 0;
	rep(i, N) cin >> T[i + 1];

	rep(i, N) {
		if (T[i + 1] - T[i] > S) {
			cout << "No" << endl;
			exit(0);
		}
	}

	cout << "Yes" << endl;
}

Submission Info

Judge Result