Submission #883533

#	Time	Username	Problem	Language	Result	Execution time	Memory
883533		SalihSahin	Palembang Bridges (APIO15_bridge)	C++14	0 / 100	1 ms	348 KiB

bridge

#include<bits/stdc++.h>
#define int long long 
#define pb push_back
#define mp make_pair
 
using namespace std;
const int inf = 1e9 * 2;
const int mod = 1e9 + 7;
const int N = 3e4 + 5;


int dis(pair<int, int> i, int p){
    if(i.first <= p && i.second >= p) return 0;
    else return min(abs(p - i.first), abs(p - i.second));
}

int32_t main(){
    ios_base::sync_with_stdio(false), cin.tie();
    int k, n;
    cin>>k>>n;
    int ans = 0;
    vector<pair<int, int> > a;
    for(int i = 0; i < n; i++){
        char h, o;
        int hx, ox;
        cin>>h>>hx>>o>>ox;
        if(h != o){
            a.pb(mp(hx, ox));
        }
        ans += abs(hx - ox);
    }

    if(k == 1){
        vector<int> points;
        for(auto itr: a){
            points.pb(itr.first);
            points.pb(itr.second);
        }
        sort(points.begin(), points.end());
        int med = points[points.size()/2];

        int add = a.size(); // bridge
        for(auto itr: a){
            add += dis(itr, med) * 2;
        }

        cout<<ans + add<<endl;
    }
    return 0;
}

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