답안 #282669

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
282669 2020-08-24T17:21:30 Z Saboon 철로 (IOI14_rail) C++14
100 / 100
100 ms 1016 KB
#include "rail.h"
#include <bits/stdc++.h>
using namespace std;
const int maxn = 5000 + 10;
int dis[maxn], a[maxn];
int loc[maxn], type[maxn];
map<int,int> mp;

void findLocation(int n, int first, int location[], int stype[]){
	loc[0] = first, type[0] = 1;
	if (n == 1)
		return;
	for (int i = 1; i < n; i++)
		dis[i] = getDistance(0,i);
	for (int i = 1; i < n; i++)
		a[i] = i;
	sort(a+1, a+n, [](int a, int b){
		return dis[a] < dis[b];
	});
	loc[a[1]] = first+dis[a[1]], type[a[1]] = 2;
	int l = 0, r = a[1];
	mp[loc[0]] = 1, mp[loc[a[1]]] = 2;
	for (int _ = 2; _ < n; _++){
		int i = a[_];
		int dl = loc[l]+getDistance(l,i), dr = loc[r]-getDistance(r,i), mid = (dl+dr) / 2;
		if (mp[mid] == 1 or (mp[mid] == 0 and mid > first)){
			loc[i] = dl; 
			type[i] = 2;
			if (dl > loc[r])
				r = i;
		}
		else{
			loc[i] = dr;
			type[i] = 1;
			if (dr < loc[l])
				l = i;
		}
		mp[loc[i]] = type[i];
	}
	for (int i = 0; i < n; i++)
		location[i] = loc[i], stype[i] = type[i];
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 84 ms 760 KB Output is correct
2 Correct 86 ms 760 KB Output is correct
3 Correct 84 ms 760 KB Output is correct
4 Correct 85 ms 760 KB Output is correct
5 Correct 83 ms 848 KB Output is correct
6 Correct 84 ms 760 KB Output is correct
7 Correct 85 ms 760 KB Output is correct
8 Correct 88 ms 760 KB Output is correct
9 Correct 87 ms 760 KB Output is correct
10 Correct 87 ms 760 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 84 ms 760 KB Output is correct
2 Correct 86 ms 760 KB Output is correct
3 Correct 87 ms 720 KB Output is correct
4 Correct 86 ms 760 KB Output is correct
5 Correct 85 ms 720 KB Output is correct
6 Correct 84 ms 760 KB Output is correct
7 Correct 88 ms 760 KB Output is correct
8 Correct 85 ms 760 KB Output is correct
9 Correct 100 ms 760 KB Output is correct
10 Correct 87 ms 760 KB Output is correct
11 Correct 86 ms 760 KB Output is correct
12 Correct 86 ms 760 KB Output is correct
13 Correct 86 ms 1016 KB Output is correct
14 Correct 85 ms 760 KB Output is correct
15 Correct 86 ms 760 KB Output is correct
16 Correct 84 ms 760 KB Output is correct
17 Correct 84 ms 888 KB Output is correct
18 Correct 84 ms 760 KB Output is correct
19 Correct 84 ms 760 KB Output is correct
20 Correct 85 ms 760 KB Output is correct