Submission #1147573

#	Time	Username	Problem	Language	Result	Execution time	Memory
1147573		Ludissey	Palembang Bridges (APIO15_bridge)	C++17	22 / 100	26 ms	2540 KiB

bridge

#include <bits/stdc++.h>
#define int long long
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()

using namespace std;

signed main() {
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
    int n,k; cin >> k >> n;
    int sum=0;
    vector<int> a;
    for (int i = 0; i < n; i++){
        char p,q; int s,t; cin >> p >> s >> q >> t;
        if(s>t) swap(s,t);
        if(p!=q) {
            a.push_back(s);
            a.push_back(t);
            sum++;
        }else{
            sum+=abs(s-t);
        }
    }
    n=sz(a);
    sort(all(a));
    if(n==0){
        cout << sum << "\n";
        return 0;
    }
    if(k==1){
        int med=(a[sz(a)/2]+a[(sz(a)-1)/2])/2;
        for (int i = 0; i < sz(a); i++)
        {
            sum+=max(0LL,abs(a[i]-med));
        }
    }
    cout << sum << "\n";
    return 0;
}

• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 0 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37