제출 #789740

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
789740		tolbi	철로 (IOI14_rail)	C++17	8 / 100	77 ms	98316 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;}
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;}
ostream& operator<<(ostream& os, bool bl){return os<<(int32_t)bl;}
#define endl '\n'
#define deci(x) int x;cin>>x;
#define decstr(x) string x;cin>>x;
#define cinarr(x) for(auto &it : x) cin>>it;
#define coutarr(x) for(auto &it : x) cout<<it<<" ";cout<<endl;
#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 ll MOD = 1e9+9;
mt19937 ayahya(chrono::high_resolution_clock().now().time_since_epoch().count());
#include "rail.h"
int dst[5000][5000];
int dist(int a, int b){
	if (a==b){
		return dst[a][b]=0;
	}
	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 pl[], int type[])
{
	for (int i = 0; i < 5000; ++i)
	{
		for (int j = 0; j < 5000; j++){
			dst[i][j]=-1;
		}
	}
	pl[0]=__first;
	type[0]=1;
	vector<int> v(n-1);
	iota(v.begin(), v.end(), 1);
	sort(v.begin(), v.end(), [&](int a, int b){
		return dist(0,a)<dist(0,b);
	});
	pl[v[0]]=pl[0]+dist(0,v[0]);
	type[v[0]]=2;
	int le = 0;
	int ri = v[0];
	int stage = 1;
	for (int i = 1; i < v.size(); i++){
		int k = v[i];
		if (stage==1){
			if (dist(le,k)>dist(ri,k)){
				stage=2;
			}
			else {
				pl[k]=pl[le]+dist(le,k);
				type[k]=2;
			}
		}
		if (stage==2){
			if (pl[ri]-dist(ri,k)<pl[le]){
				stage=3;
			}
			else {
				pl[k]=pl[ri]-dist(ri,k);
				type[k]=1;
			}
		}
		if (stage==3){
			if (dist(le,k)<dist(ri,k)){
				stage=4;
			}
			else {
				pl[k]=pl[ri]-dist(ri,k);
				type[k]=1;
			}
		}
		if (stage==4){
			pl[k]=pl[le]+dist(le,k);
			type[k]=2;
		}
		if (type[k]==1){
			if (pl[k]<pl[le]) le=k;
		}
		else {
			if (pl[k]>pl[ri]) ri=k;
		}
	}
}

컴파일 시 표준 에러 (stderr) 메시지

rail.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize("Bismillahirrahmanirrahim")
      | 
rail.cpp: In function 'void findLocation(int, int, int*, int*)':
rail.cpp:62:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |  for (int i = 1; i < v.size(); i++){
      |                  ~~^~~~~~~~~~

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