Submission #231182

#	Time	Username	Problem	Language	Result	Execution time	Memory
231182		palpatinezw	Baloni (COCI15_baloni)	C++17	0 / 100	13 ms	1152 KiB

baloni

#include <bits/stdc++.h>
using namespace std;
#define int long long

int N, h[100005];
set<int> s;

int32_t main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cin >> N;
	for (int i = 0; i < N; i++) {
		cin >> h[i];
	}
	int c = 0;
	for (int i = 0; i < N; i++) {
		if (s.find(h[i] + 1) == s.end()) c++;
		else s.erase(h[i] + 1);
		s.insert(h[i]);
	}
	cout << c;
}

• Subtask 1: 0 / 100