Submission #336168

#	Time	Username	Problem	Language	Result	Execution time	Memory
336168		super_j6	Palembang Bridges (APIO15_bridge)	C++14	22 / 100	63 ms	4480 KiB

bridge

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;
#define endl '\n'
#define ll long long
#define pi pair<int, int>
#define f first
#define s second

const int mxn = 100000;
int n, k;
vector<pi> p;
vector<int> v;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> k >> n;
	
	ll ret = 0;
	for(int i = 0; i < n; i++){
		char a, b;
		int x, y;
		cin >> a >> x >> b >> y;
		if(x > y) swap(x, y);
		ret += y - x;
		if(a != b) ret++, p.push_back({x, y}), v.push_back(x), v.push_back(y);
	}
	
	sort(v.begin(), v.end());
	
	if(!v.empty()){
		int x = v[v.size() / 2];
		for(pi i : p){
			if(x < i.f) ret += 2 * (i.f - x);
			if(x > i.s) ret += 2 * (x - i.s);
		}
	}
	
	cout << ret << endl;

	return 0;
}

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