Submission #769854

#	Time	Username	Problem	Language	Result	Execution time	Memory
769854		airths	Palembang Bridges (APIO15_bridge)	C++17	22 / 100	42 ms	7340 KiB

bridge

/*
 * 
 * 	^v^
 * 
 */
#include <iostream>
#include <numeric>
#include <set>
#include <iomanip>
#include <chrono>
#include <queue>
#include <string>
#include <vector>
#include <functional>
#include <map>
#include <algorithm>
#include <array>
#include <random>

using namespace std;

using ll = long long int;
using ld = long double;

#define iamtefu ios_base::sync_with_stdio(false); cin.tie(0);
#define fl(i,a,n) for (ll i(a); i<n; i++)
#define rfl(i,a,n) for (ll i(n-1); i>=a; i--)
#define ty int _; for(cin>>_; _--;)
#define print(a) for(auto ele:a){cout<<ele<<" ";}cout<<'\n';

ll gcd(ll a, ll b){
	if (b==0){
		return a;
	}
	return gcd(b, a%b);
}

mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

ll pw(ll a, ll b, ll m){
	ll res=1;
	a%=m;
	while (b){
		if (b&1){
			res=(res*a)%m;
		}
		a=(a*a)%m;
		b/=2;
	}
	return res;
}

void scn(){
	ll k, n; cin>>k>>n;
	vector <pair<ll,ll>> a;
	ll in = n;
	fl(i,0,n){
		char c1, c2;
		ll x, y; cin>>c1>>x>>c2>>y;
		if (c1==c2){
			in+=(abs(x-y));
			in--;
		} else {
			a.push_back({x, y});
		}
	}
	if (k==1){
		vector <ll> ans;
		for (auto x:a){
			ans.push_back(x.first);
			ans.push_back(x.second);
		}
		sort(ans.begin(), ans.end());
		ll jk = (ans.size()+1)/2;
		for (auto x:ans){
			in+=(abs(x-ans[jk]));
		}
		cout<<in<<'\n';
	} else {
		
	}

	// not necessarily distinct
	// right down
}

int main(){
	iamtefu;
#if defined(airths)
	auto t1=chrono::high_resolution_clock::now();
	freopen("input.txt", "r", stdin);
	freopen("output.txt", "w", stdout);
#endif
	// ty
	{
		scn();
	}
#if defined(airths)
	auto t2=chrono::high_resolution_clock::now();
	ld ti=chrono::duration_cast<chrono::nanoseconds>(t2-t1).count();
	ti*=1e-6;
	cerr<<"Time: "<<setprecision(12)<<ti;
	cerr<<"ms\n";
#endif
	return 0;
}

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