Submission #1205608

#	Time	Username	Problem	Language	Result	Execution time	Memory
1205608		PlayVoltz	Baloni (COCI15_baloni)	C++20	100 / 100	161 ms	604 KiB

baloni

#include <cstdio>
#include <stdio.h>
#include <stdbool.h>
#include <iostream>
#include <map>
#include <vector>
#include <climits>
#include <stack>
#include <string>
#include <queue>
#include <algorithm>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <cmath>
#include <cctype>
#include <bitset>
#include <iomanip>
#include <cstring>
#include <numeric>
#include <cassert>
using namespace std;

#define int long long
#define pii pair<int, int>
#define mp make_pair
#define pb push_back
#define fi first
#define se second

int32_t main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n, a, ans=0;
	cin>>n;
	map<int, int> c;
	while (n--){
		cin>>a;
		if (c[a])--c[a];
		else ++ans;
		++c[a-1];
	}
	cout<<ans;
}

• Subtask 1: 100 / 100