Submission #783938

#	Time	Username	Problem	Language	Result	Execution time	Memory
783938		tolbi	Rail (IOI14_rail)	C++17	30 / 100	399 ms	98528 KiB

rail

#pragma optimize("Bismillahirrahmanirrahim")
//█▀█─█──█──█▀█─█─█
//█▄█─█──█──█▄█─█■█
//█─█─█▄─█▄─█─█─█─█
//Allahuekber
//ahmet23 orz...
//FatihSultanMehmedHan
//YavuzSultanSelimHan
//AbdulhamidHan
//Sani buyuk Osman Pasa Plevneden cikmam diyor.
#define author tolbi
#include<bits/stdc++.h>
using namespace std;
template<typename X, typename Y> ostream& operator<<(ostream& os, pair<X,Y> pr){return os<<pr.first<<" "<<pr.second;}
ostream& operator<<(ostream& os, bool bl){return os<<(int32_t)bl;}
template<typename X> ostream& operator<<(ostream& os, vector<X> v){for(auto &it : v) os<<it<<" ";return os;}
template<typename X, size_t Y> ostream& operator<<(ostream& os, array<X,Y> v){for(auto &it : v) os<<it<<" ";return os;}
#define deci(x) int x;cin>>x;
#define endl '\n'
#define decstr(x) string x;cin>>x;
#define sortarr(x) sort(x.begin(), x.end())
#define sortrarr(x) sort(x.rbegin(), x.rend())
#define rev(x) reverse(x.begin(), x.end())
#define tol(bi) (1LL<<((int)(bi)))
typedef long long ll;
const ll INF = LONG_LONG_MAX;
const int MOD = 1e9+7;
mt19937 ayahya(chrono::high_resolution_clock().now().time_since_epoch().count());
#include "rail.h"
vector<vector<int>> dst;
int dist(int a, int b){
	if (dst[a][b]==-1){
		dst[a][b]=dst[b][a]=getDistance(a,b);
	}
	return dst[a][b];
}
void findLocation(int N, int first, int location[], int stype[])
{
	dst.resize(N,vector<int>(N,-1));
	location[0]=first;
	stype[0]=1;
	int rr = location[0];
	int rv = 0;
	for (int i = 1; i < N; i++){
		for (int j = 1; j < N; j++){
			if (i==j) continue;
			if (dist(0,j)==dist(i,j)+dist(i,0)){
				stype[i]=2;
				stype[j]=1;
				location[i]=location[0]+dist(0,i);
				location[j]=location[i]-dist(i,j);
				if (location[j]<rr){
					rr=location[j];
					rv=j;
				}
			}
		}
	}
	for (int i = 0; i < N; ++i)
	{
		if (stype[i]!=0) continue;
		location[i]=location[rv]+dist(i,rv);
		stype[i]=2;
	}
}

Compilation message (stderr)

rail.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize("Bismillahirrahmanirrahim")
      |

• Subtask 1: 8 / 8
• Subtask 2: 22 / 22
• Subtask 3: 0 / 26
• Subtask 4: 0 / 44