Submission #861872

#	Time	Username	Problem	Language	Result	Execution time	Memory
861872		Aiperiii	Zalmoxis (BOI18_zalmoxis)	C++17	0 / 100	195 ms	6484 KiB

zalmoxis

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
int cnt[40];
int val=-1;
void dfs(int v){
    bool flag=false;
    for(int i=0;i<v;i++){
        if(cnt[i]!=0){
            flag=true;
        }
    }
    if(!flag){
        val=v;
        return;
    }
    if(cnt[v-1]==1){
        cnt[v-1]--;
        dfs(v-1);
    }
    else if(cnt[v-1]==0){
        dfs(v-1);
        dfs(v-1);
    }
    else if(cnt[v-1]==2){
        cnt[v-1]=0;
    }
}
signed main(){
    int n,k;
    cin>>n>>k;
    vector <int> a(n);
    for(int i=0;i<n;i++){
        cin>>a[i];
        cnt[a[i]]++;
    }
    dfs(30);
    
    for(int i=0;i<n;i++){
        if(a[i]<=val && val!=-1){
            cout<<val<<" "<<a[i]<<" ";
            val=-1;
        }
        else{
            cout<<a[i]<<" ";
        }
    }
    if(val!=-1){
        cout<<val<<endl;
    }
}

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70