Submission #1095594

#	Time	Username	Problem	Language	Result	Execution time	Memory
1095594		0pt1mus23	Studentsko (COCI14_studentsko)	C++14	100 / 100	25 ms	1292 KiB

studentsko

#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define ins insert
#define pb push_back
#define putr(x) cout<<x<<endl;return;
#define all(x) x.begin(),x.end()
#define _ << " " <<  
const int   mod = 1e9+7 ,
            sze= 5000 + 23 ,
            inf = INT_MAX ,
            L = 31 ;
int dp[sze];

void opt1z(){
    int n,k;
    cin>>n>>k;
    vector<int> arr(n),color(n);
    multiset<int> lst;
    map<int,vector<int>> idx;

    for(int i=0;i<n;i++){
        cin>>arr[i];
        idx[arr[i]].pb(i);
        lst.ins(arr[i]);
    }
    for(auto &v:idx){
        reverse(all(v.second));
    }
    int c = 1;
    int nm = 0;
    while(!lst.empty()){
        nm++;
        if(nm==k+1){
            nm=1;
            c++;
        }
        color[idx[*lst.begin()].back()]=c;
        idx[*lst.begin()].pop_back();
        lst.erase(lst.begin());
    }
    // for(auto v:color){
    //     cout<<v<<" ";
    // }
    // cout<<endl;
    int ans=0;
    for(int i=0;i<n;i++){
        dp[i]=1;
        for(int j=0;j<i;j++){
            if(color[j]<=color[i]){
                dp[i]=max(dp[i],dp[j]+1);
            }
        }
        ans=max(ans,dp[i]);
    }
    putr(n - ans);
}
 
signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
 
    int tt = 1;
    // cin>>tt;
    while(tt--){
        opt1z();
    }
 
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10