Submission #256299

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
256299	2020-08-02 13:55:23	pit4h	Rope (JOI17_rope)	C++14	80 / 100	2580 ms	83284 KiB

rope

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#include<bits/stdc++.h>
#define st first
#define nd second
using namespace std;
int main() {
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  int n, m;
  cin>>n>>m;
  vector<int> a(n), occ(m+1);
  vector<vector<pair<int, int>>> col(m+1);
  vector<pair<int, int>> best;
  for(int i=0; i<n; ++i) {
    cin>>a[i];
    occ[a[i]]++;
    if(i==0 || a[i] != a[i-1]) {
      col[a[i]].push_back({i, i});
    }
    else {
      col[a[i]].back().nd = i;
    }
  }
  for(int i=1; i<=m; ++i) {
    best.push_back({occ[i], i});
  }
  sort(best.rbegin(), best.rend());
  for(int c=1; c<=m; ++c) {
    if(col[c].empty()) continue;
    vector<vector<int>> cnt(2, vector<int>(m+1));
    
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 30 / 30
• Subtask 3: 10 / 10
• Subtask 4: 25 / 25
• Subtask 5: 0 / 20