Submission #93988

#	Time	Username	Problem	Language	Result	Execution time	Memory
93988		Rakhmand	Baloni (COCI15_baloni)	C++14	100 / 100	71 ms	4088 KiB

baloni

#include <cstring>
#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <queue>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <cassert>

#define ios ios_base::sync_with_stdio(0), cout.tie(0), cin.tie(0);
#define S second
#define F first
#define pb push_back
#define nl '\n'
#define NL cout << '\n';
#define EX exit(0)
#define all(s) s.begin(), s.end()
#define FOR(i, start, finish, k) for(int i = start; i <= finish; i += k)

const long long MXN = 1e6 + 1;
const long long MNN = 1e5 + 1;
const long long MOD = 998244353;
const long long INF = 1e18;
const long long OO = 1e9 + 500;

typedef long long llong;
typedef unsigned long long ullong;

using namespace std;

int n, x, ans, cnt[MXN];

int main(){
	ios;
	cin >> n;
	for(int i = 1; i <= n; i++){
		cin >> x;
		if(cnt[x] == 0){
			ans++;
			cnt[x - 1]++;
		}else{
			cnt[x]--;
			cnt[x - 1]++;
		}
	}cout << ans;
	return 0;
}

/*
8 2 12
1 2 4 2 1 3 5 6 2 3 6 4
 
 
5
2 1 5 4 3
*/

• Subtask 1: 100 / 100