Submission #748544

#	Time	Username	Problem	Language	Result	Execution time	Memory
748544		Desh03	Wiring (IOI17_wiring)	C++17	13 / 100	67 ms	13192 KiB

wiring

#include "wiring.h"
#include <bits/stdc++.h>
using namespace std;

long long min_total_length(vector<int> r_, vector<int> b_) {
    set<int> r(r_.begin(), r_.end()), b(b_.begin(), b_.end());
    long long ans = 0;
    for (int x : r) {
        if (b.empty()) {
            auto it = upper_bound(b_.begin(), b_.end(), x);
            if (it == b_.end()) --it;
            else if (it != b_.begin() && x - *prev(it) < *it - x) --it;
            ans += abs(*it - x);
        } else {
            auto it = b.upper_bound(x);
            if (it == b.end()) --it;
            else if (it != b.begin() && x - *prev(it) < *it - x) --it;
            ans += abs(*it - x);
            b.erase(it);
        }
    }
    for (int x : b) {
        auto it = r.upper_bound(x);
        if (it == r.end()) --it;
        else if (it != r.begin() && x - *prev(it) < *it - x) --it;
        ans += abs(*it - x);
    }
    return ans;
}

• Subtask 1: 0 / 7
• Subtask 2: 13 / 13
• Subtask 3: 0 / 10
• Subtask 4: 0 / 25
• Subtask 5: 0 / 45