제출 #31645

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
31645		antran2202	Baloni (COCI15_baloni)	C++14	100 / 100	113 ms	9988 KiB

baloni

#include <iostream>
#include <set>
#include <map>
#include <queue>
#include <cstdio>
#include <algorithm>
#include <stack>
#include <vector>
using namespace std;
#define whole(x) x.begin(),x.end()
#define sz(x) ((int)x.size())
#define sqr(x) ((x)*(x))
#define pb push_back
#define mp make_pair
#define ins insert
#define maxn int (1e6 + 1)
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef vector<int> vi;
//----------------------------------------------------------
int n, k, m;
int shot[maxn] = {}, h[maxn] = {};
void Input ()
{
	cin >> n;
	cerr << n;
	for (int i = 1; i <= n; ++i)
		cin >> h[i];
}
void Solve ()
{
	for (int i = n; i >= 1; --i)
	{
		++shot[h[i]];
		if (shot[h[i] - 1]) --shot[h[i] - 1];
	}
	int res = 0;
	for (int i = 1; i < maxn; ++i) res += shot[i];
	cout << res;
}
int main()
{
	//freopen ("baloni.inp", "r", stdin);
	//freopen ("baloni.out", "w", stdout);
	ios_base::sync_with_stdio(false);
	cin.tie (NULL);
	cout.tie (NULL);
	Input ();
	Solve ();
}

• Subtask 1: 100 / 100