Submission #1049300

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1049300	2024-08-08 16:08:27	Ahmed57	Wiring (IOI17_wiring)	C++17	100 / 100	44 ms	14284 KiB

wiring

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#include "bits/stdc++.h"
using namespace std;
long long min_total_length(vector<int> r, vector<int> b){
    vector<pair<long long,int>> v;
    for(auto i:r){
        v.push_back({i,0});
    }
    for(auto i:b){
        v.push_back({i,1});
    }
    sort(v.begin(),v.end());
    int n = v.size();
    long long pref[n+1] = {0};
    for(int i = 0;i<n;i++){
        pref[i+1] = v[i].first;
        pref[i+1]+=pref[i];
    }
    int st[n],en[n];
    for(int i = 0;i<n;i++){
        if(i==0||v[i].second!=v[i-1].second){
            st[i] = i;
        }else st[i] = st[i-1];
    }
    for(int i = n-1;i>=0;i--){
        if(i==n-1||v[i].second!=v[i+1].second){
            en[i] = i;
        }else en[i] = en[i+1];
    }
    long long dp[n+1][2];
    for(int i = 0;i<=n;i++)dp[i][0] = dp[i][1] = 1e18;
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 13 / 13
• Subtask 3: 10 / 10
• Subtask 4: 25 / 25
• Subtask 5: 45 / 45