Submission #983136

#	Time	Username	Problem	Language	Result	Execution time	Memory
983136		Malix	Stone Arranging 2 (JOI23_ho_t1)	C++14	100 / 100	548 ms	150404 KiB

Main

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;

#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define MP make_pair

ll INF=1e18+10;
ll M=1e9+7;

int main() {   
//ios::sync_with_stdio(0);
//cin.tie(0);
//freopen("test_input.txt", "r", stdin);
//freopen("test_output.txt", "w", stdout);
    int n;cin>>n;
    vi a(n);
    REP(i,0,n)cin>>a[i];
    map<int,queue<int>> b;
    REP(i,0,n)b[a[i]].push(i);
    int pos=0;
    vi ans;
    while(pos<n){
        ans.PB(a[pos]);
        int k=a[pos];
        while(!b[k].empty()&&b[k].front()<=pos)b[k].pop();
        if(b[k].empty()){
            pos++;continue;
        }
        int x=b[k].front();
        REP(i,pos,x-1)ans.PB(k);
        pos=x;
    }
    for(auto u:ans)cout<<u<<"\n";
}

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40