Submission #1137192

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1137192	2025-01-19 09:00:31	KhoaDuy	Floppy (RMI20_floppy)	C++20	100 / 100	72 ms	9580 KiB

floppy

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#include "floppy.h"
#include<bits/stdc++.h>
using namespace std;
void encode(int u,vector<vector<int>> &graph,string &s){
    int cnt=graph[u].size();
    if(cnt==1&&u<graph[u][0]){
        cnt+=2;
    }
    s+=('0'+(cnt/2));
    s+=('0'+(cnt%2));
    for(int v:graph[u]){
        encode(v,graph,s);
    }
}
void read_array(int subtask_id,const vector<int> &v){
    int n=v.size();
    vector<vector<int>> graph(n);
    stack<int> st;
    int pa[n];
    for(int i=0;i<n;i++){
        pa[i]=-1;
        int last=-1;
        while(!st.empty()&&v[st.top()]<v[i]){
            last=st.top();
            st.pop();
        }
        if(!st.empty()){
            pa[i]=st.top();
        }
        if(last!=-1){
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 21 / 21
• Subtask 3: 72 / 72