Submission #43684

#	Time	Username	Problem	Language	Result	Execution time	Memory
43684		RezwanArefin01	Palembang Bridges (APIO15_bridge)	C++14	0 / 100	2 ms	744 KiB

bridge

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

typedef long long ll;
typedef pair<int, int> ii; 

vector<ii> v;

ll get(ll x) {
	ll ret = 0;
	for(ii a : v) ret += abs(a.first - x) + abs(a.second - x);
	return ret;
}
int main(int argc, char const *argv[]) {
#ifdef LOCAL_TESTING
	freopen("in", "r", stdin);
#endif
	int k, n; cin >> k >> n; 
	ll pre = 0;
	vector<int> pos; 
	for(int i = 0; i < n; i++) {
		char p, q; int s, t; 
		cin >> p >> s >> q >> t; 
		if(p == q) pre += abs(s - t);
		else v.push_back({s, t}), pos.push_back(s), pos.push_back(t);
	}
	int m = pos.size(); 
	sort(pos.begin(), pos.end());

	ll mn = get(pos[m/2]);
	if(m/2+1 < m) mn = min(mn, get(pos[m/2 + 1])); 

	cout << mn + v.size() + pre << endl;
}

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