Submission #439771

#	Time	Username	Problem	Language	Result	Execution time	Memory
439771		LastRonin	Money (IZhO17_money)	C++17	0 / 100	1 ms	204 KiB

money

#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define ull unsigned long long
#define mp make_pair
#define si short int
#define speed ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#define pill pair<ll,ll>
#define f first
#define s second
#define pilc pair<ll,char>
#define all(a) (a).begin(),(a).end()
#define rep(s,e,step) for(int i = (s); i < (e) ; i += step)
#define vrep(s,e,step) for(int j = (s); j < (e) ; j += step)
#define ex exit(0) 
#define sz(a) (a).size()
#define triple pair<pill, ll>
#define pinode pair<node*, node*>
#define quadra pair<pill, pill>
#define ld long double
using namespace std;
 
const ll N = 1e3 + 10;
const ll M = 1e4 + 10;
const ll big = 1e17;
const ll hsh2 = 1964325029;
const long long mod = 1e9 + 7;
const long double EPS = 1e-10;
const ll block = 1e7;
const ll shift = 2e3;
const ld pi = acos(-1.0);

ll n, m;

ll a[N], was[N];

int main() {
	speed;
	cin >> n;
	ll ans = 1;
	for(int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	was[a[1]] = 1;
	for(int i = 1; i < n; i++) {
		if(a[i] > a[i + 1])
			ans++;
		else {
			ll can = 0;
			for(int j = a[i] + 1; j < a[i + 1]; j++)
				if(was[j])
					can = 1;
			ans += can;				
		}
	}
	cout << ans << '\n';
}
/*
*/  

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 0 / 20
• Subtask 4: 0 / 55