제출 #1111992

#제출 시각아이디문제언어결과실행 시간메모리
1111992AlmontherBaloni (COCI15_baloni)C++98
100 / 100
157 ms760 KiB
#include<bits/stdc++.h>

#define co cout<<
#define ll long long
#define suiii ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
//stuff
void solve(){
    ll n;
    cin>>n;
    ll ans=0,x;
    map<ll,ll>mp;
    for(int i=0;i<n;i++){
        cin>>x;
        mp[x-1]++;
        if(mp[x]<=0) ans++;
        else mp[x]--;
    }
    co ans;
}
int main(){
    suiii
    int _=1;
    //cin>>_;
    while(_--) solve();
}
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