제출 #535579

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
535579	2022-03-10 14:14:48	amunduzbaev	Rope (JOI17_rope)	C++17	100 / 100	1862 ms	123680 KiB

rope

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#include "bits/stdc++.h"
using namespace std;
 
#define ar array
const int N = 1e6 + 5;
int a[N], res[N], cc[N];
map<int, int> edges[N];
signed main(){
  ios::sync_with_stdio(0); cin.tie(0);
  
  int n, m; cin>>n>>m;
  for(int i=0;i<n;i++){
    cin>>a[i];
    a[i]--;
    cc[a[i]]++;
  }
  vector<int> tot(m); iota(tot.begin(), tot.end(), 0);
  sort(tot.begin(), tot.end(), [&](int i, int j){
    if(cc[i] != cc[j]) return cc[i] > cc[j];
    return i > j;
  });
  
  {
    for(int i=1;i+1<n;i+=2){
      edges[a[i]][a[i+1]]++;
      edges[a[i+1]][a[i]]++;
    } 
    for(int i=0;i<m;i++){
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 30 / 30
• Subtask 3: 10 / 10
• Subtask 4: 25 / 25
• Subtask 5: 20 / 20