oj.uz

답안 #142839

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
142839 2019-08-11T12:09:21 Z Milki 꿈 (IOI13_dreaming) C++14
24 / 100
 165 ms 18536 KB 
//#ifndef DREAMING_H_INCLUDED
//#define DREAMING_H_INCLUDED

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

#define FOR(i, a, b) for(int i = a; i < b; ++i)
#define REP(i, n) FOR(i, 0, n)
#define _ << " " <<
#define sz(x) ((int) x.size())
#define pb(x) push_back(x)
#define TRACE(x) cerr << #x << " = " << x << endl

typedef long long ll;
typedef pair<ll, ll> point;

const ll MAXN = 1e5 + 5;

vector <point> E[MAXN];
vector <ll> component[MAXN];
ll boja[MAXN], dist[MAXN], dep[MAXN], mx[MAXN];
point par[MAXN];

void color(ll x, ll Time){
  boja[x] = Time;
  component[Time].pb(x);
  for(auto e : E[x]){
    if(boja[e.first] != ll(-1) ) continue;
    color(e.first, Time);
  }
}

point find_furthest(ll cmp, ll x){
  for(auto it : component[cmp])
    dist[it] = 0;

  queue<ll> Q;
  Q.push(x);

  point ret = point(0, 0);
  while(!Q.empty()){
    ll nx = Q.front(); Q.pop();
    for(auto e : E[nx]){
      if(dist[e.first] || e.first == x)
        continue;

      par[e.first] = point(nx, e.second);
      dep[e.first] = dep[nx] + 1;
      dist[e.first] = dist[nx] + e.second;
      ret = max(ret, point(dist[e.first], e.first));
      Q.push(e.first);
    }
  }

  return ret;
}

int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
  REP(i, M){
    E[ A[i] ].pb( point( B[i], T[i] ) );
    E[ B[i] ].pb( point( A[i], T[i] ) );
  }

  memset(boja, -1, sizeof(boja));
  ll Time = 0;
  REP(i, N)
    if(boja[i] == -1)
      color(i, Time ++);

  ll ret = 0;
  REP(i, Time){
    ll a = find_furthest(i, component[i][0]).second;
    point najdalji = find_furthest(i, a);
    ll b = najdalji.second, d = najdalji.first;

    if(dep[a] < dep[b])
      swap(a, b);

    ret = max(ret, d);
    mx[i] = d;

    ll sum = 0;
    while(dep[a] != dep[b]){
      sum += par[a].second;
      a = par[a].first;
      mx[i] = min(mx[i], max(d - sum, sum));
    }
    deque<ll> lt, rt;
    while(a != b){
      lt.push_back(par[a].second);
      a = par[a].first;

      rt.push_front(par[b].second);
      b = par[b].first;
    }

    for(auto it : lt){
      sum += it;
      mx[i] = min(mx[i], max(d - sum, sum));
    }
    for(auto it : rt){
      sum += it;
      mx[i] = min(mx[i], max(d - sum, sum));
    }
  }

  sort(mx, mx + Time, greater<ll>());

  if(Time == 1)
    return ret;
  else
    return max(ret, mx[0] + mx[1] + L);
}

//#endif // DREAMING_H_INCLUDED

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 84 ms 18536 KB Output is correct
2 Correct 95 ms 18284 KB Output is correct
3 Correct 54 ms 15216 KB Output is correct
4 Correct 17 ms 7800 KB Output is correct
5 Correct 15 ms 7288 KB Output is correct
6 Correct 25 ms 8908 KB Output is correct
7 Correct 7 ms 5880 KB Output is correct
8 Correct 44 ms 11636 KB Output is correct
9 Correct 57 ms 13680 KB Output is correct
10 Correct 7 ms 6008 KB Output is correct
11 Correct 89 ms 16032 KB Output is correct
12 Correct 96 ms 17328 KB Output is correct
13 Correct 7 ms 6008 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 84 ms 18536 KB Output is correct
2 Correct 95 ms 18284 KB Output is correct
3 Correct 54 ms 15216 KB Output is correct
4 Correct 17 ms 7800 KB Output is correct
5 Correct 15 ms 7288 KB Output is correct
6 Correct 25 ms 8908 KB Output is correct
7 Correct 7 ms 5880 KB Output is correct
8 Correct 44 ms 11636 KB Output is correct
9 Correct 57 ms 13680 KB Output is correct
10 Correct 7 ms 6008 KB Output is correct
11 Correct 89 ms 16032 KB Output is correct
12 Correct 96 ms 17328 KB Output is correct
13 Correct 7 ms 6008 KB Output is correct
14 Correct 7 ms 5880 KB Output is correct
15 Correct 7 ms 5880 KB Output is correct
16 Correct 7 ms 5884 KB Output is correct
17 Correct 7 ms 5880 KB Output is correct
18 Correct 7 ms 5884 KB Output is correct
19 Correct 7 ms 5880 KB Output is correct
20 Correct 7 ms 5880 KB Output is correct
21 Correct 7 ms 5880 KB Output is correct
22 Correct 7 ms 5884 KB Output is correct
23 Correct 7 ms 5880 KB Output is correct
24 Correct 7 ms 5880 KB Output is correct
25 Correct 6 ms 5880 KB Output is correct
26 Correct 7 ms 5880 KB Output is correct
27 Correct 7 ms 5880 KB Output is correct
28 Correct 7 ms 5880 KB Output is correct
29 Correct 7 ms 5880 KB Output is correct
30 Correct 7 ms 5880 KB Output is correct
31 Correct 7 ms 5884 KB Output is correct
32 Correct 7 ms 5880 KB Output is correct
33 Correct 7 ms 5880 KB Output is correct
34 Correct 7 ms 5880 KB Output is correct
35 Correct 7 ms 5880 KB Output is correct
36 Correct 7 ms 5880 KB Output is correct
37 Correct 6 ms 5880 KB Output is correct
38 Correct 7 ms 5880 KB Output is correct

Subtask #3
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 84 ms 18536 KB Output is correct
2 Correct 95 ms 18284 KB Output is correct
3 Correct 54 ms 15216 KB Output is correct
4 Correct 17 ms 7800 KB Output is correct
5 Correct 15 ms 7288 KB Output is correct
6 Correct 25 ms 8908 KB Output is correct
7 Correct 7 ms 5880 KB Output is correct
8 Correct 44 ms 11636 KB Output is correct
9 Correct 57 ms 13680 KB Output is correct
10 Correct 7 ms 6008 KB Output is correct
11 Correct 89 ms 16032 KB Output is correct
12 Correct 96 ms 17328 KB Output is correct
13 Correct 7 ms 6008 KB Output is correct
14 Correct 7 ms 5880 KB Output is correct
15 Correct 7 ms 5880 KB Output is correct
16 Correct 7 ms 5884 KB Output is correct
17 Correct 7 ms 5880 KB Output is correct
18 Correct 7 ms 5884 KB Output is correct
19 Correct 7 ms 5880 KB Output is correct
20 Correct 7 ms 5880 KB Output is correct
21 Correct 7 ms 5880 KB Output is correct
22 Correct 7 ms 5884 KB Output is correct
23 Correct 7 ms 5880 KB Output is correct
24 Correct 7 ms 5880 KB Output is correct
25 Correct 6 ms 5880 KB Output is correct
26 Correct 7 ms 5880 KB Output is correct
27 Correct 7 ms 5880 KB Output is correct
28 Correct 7 ms 5880 KB Output is correct
29 Correct 7 ms 5880 KB Output is correct
30 Correct 7 ms 5880 KB Output is correct
31 Correct 7 ms 5884 KB Output is correct
32 Correct 7 ms 5880 KB Output is correct
33 Correct 7 ms 5880 KB Output is correct
34 Correct 7 ms 5880 KB Output is correct
35 Correct 7 ms 5880 KB Output is correct
36 Correct 7 ms 5880 KB Output is correct
37 Correct 6 ms 5880 KB Output is correct
38 Correct 7 ms 5880 KB Output is correct
39 Correct 98 ms 18456 KB Output is correct
40 Correct 103 ms 18280 KB Output is correct
41 Correct 55 ms 15216 KB Output is correct
42 Correct 20 ms 7792 KB Output is correct
43 Correct 7 ms 5880 KB Output is correct
44 Correct 7 ms 5880 KB Output is correct
45 Correct 7 ms 5780 KB Output is correct
46 Correct 7 ms 5880 KB Output is correct
47 Correct 8 ms 5880 KB Output is correct
48 Correct 8 ms 5880 KB Output is correct
49 Correct 9 ms 5880 KB Output is correct
50 Correct 8 ms 5880 KB Output is correct
51 Correct 7 ms 5880 KB Output is correct
52 Correct 7 ms 5880 KB Output is correct
53 Correct 7 ms 5880 KB Output is correct
54 Correct 7 ms 5880 KB Output is correct
55 Correct 7 ms 5880 KB Output is correct
56 Correct 7 ms 5880 KB Output is correct
57 Correct 121 ms 18284 KB Output is correct
58 Correct 165 ms 18400 KB Output is correct
59 Correct 107 ms 18056 KB Output is correct
60 Correct 110 ms 18008 KB Output is correct
61 Correct 111 ms 18028 KB Output is correct
62 Correct 107 ms 18036 KB Output is correct
63 Correct 108 ms 17640 KB Output is correct
64 Incorrect 131 ms 17512 KB Output isn't correct
65 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 87 ms 13944 KB Output is correct
2 Incorrect 84 ms 13944 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 84 ms 18536 KB Output is correct
2 Correct 95 ms 18284 KB Output is correct
3 Correct 54 ms 15216 KB Output is correct
4 Correct 17 ms 7800 KB Output is correct
5 Correct 15 ms 7288 KB Output is correct
6 Correct 25 ms 8908 KB Output is correct
7 Correct 7 ms 5880 KB Output is correct
8 Correct 44 ms 11636 KB Output is correct
9 Correct 57 ms 13680 KB Output is correct
10 Correct 7 ms 6008 KB Output is correct
11 Correct 89 ms 16032 KB Output is correct
12 Correct 96 ms 17328 KB Output is correct
13 Correct 7 ms 6008 KB Output is correct
14 Correct 7 ms 6008 KB Output is correct
15 Correct 8 ms 6008 KB Output is correct
16 Correct 9 ms 6136 KB Output is correct
17 Correct 7 ms 6008 KB Output is correct
18 Correct 8 ms 6008 KB Output is correct
19 Correct 9 ms 6136 KB Output is correct
20 Incorrect 7 ms 6008 KB Output isn't correct
21 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 84 ms 18536 KB Output is correct
2 Correct 95 ms 18284 KB Output is correct
3 Correct 54 ms 15216 KB Output is correct
4 Correct 17 ms 7800 KB Output is correct
5 Correct 15 ms 7288 KB Output is correct
6 Correct 25 ms 8908 KB Output is correct
7 Correct 7 ms 5880 KB Output is correct
8 Correct 44 ms 11636 KB Output is correct
9 Correct 57 ms 13680 KB Output is correct
10 Correct 7 ms 6008 KB Output is correct
11 Correct 89 ms 16032 KB Output is correct
12 Correct 96 ms 17328 KB Output is correct
13 Correct 7 ms 6008 KB Output is correct
14 Correct 7 ms 5880 KB Output is correct
15 Correct 7 ms 5880 KB Output is correct
16 Correct 7 ms 5884 KB Output is correct
17 Correct 7 ms 5880 KB Output is correct
18 Correct 7 ms 5884 KB Output is correct
19 Correct 7 ms 5880 KB Output is correct
20 Correct 7 ms 5880 KB Output is correct
21 Correct 7 ms 5880 KB Output is correct
22 Correct 7 ms 5884 KB Output is correct
23 Correct 7 ms 5880 KB Output is correct
24 Correct 7 ms 5880 KB Output is correct
25 Correct 6 ms 5880 KB Output is correct
26 Correct 7 ms 5880 KB Output is correct
27 Correct 7 ms 5880 KB Output is correct
28 Correct 7 ms 5880 KB Output is correct
29 Correct 7 ms 5880 KB Output is correct
30 Correct 7 ms 5880 KB Output is correct
31 Correct 7 ms 5884 KB Output is correct
32 Correct 7 ms 5880 KB Output is correct
33 Correct 7 ms 5880 KB Output is correct
34 Correct 7 ms 5880 KB Output is correct
35 Correct 7 ms 5880 KB Output is correct
36 Correct 7 ms 5880 KB Output is correct
37 Correct 6 ms 5880 KB Output is correct
38 Correct 7 ms 5880 KB Output is correct
39 Correct 98 ms 18456 KB Output is correct
40 Correct 103 ms 18280 KB Output is correct
41 Correct 55 ms 15216 KB Output is correct
42 Correct 20 ms 7792 KB Output is correct
43 Correct 7 ms 5880 KB Output is correct
44 Correct 7 ms 5880 KB Output is correct
45 Correct 7 ms 5780 KB Output is correct
46 Correct 7 ms 5880 KB Output is correct
47 Correct 8 ms 5880 KB Output is correct
48 Correct 8 ms 5880 KB Output is correct
49 Correct 9 ms 5880 KB Output is correct
50 Correct 8 ms 5880 KB Output is correct
51 Correct 7 ms 5880 KB Output is correct
52 Correct 7 ms 5880 KB Output is correct
53 Correct 7 ms 5880 KB Output is correct
54 Correct 7 ms 5880 KB Output is correct
55 Correct 7 ms 5880 KB Output is correct
56 Correct 7 ms 5880 KB Output is correct
57 Correct 121 ms 18284 KB Output is correct
58 Correct 165 ms 18400 KB Output is correct
59 Correct 107 ms 18056 KB Output is correct
60 Correct 110 ms 18008 KB Output is correct
61 Correct 111 ms 18028 KB Output is correct
62 Correct 107 ms 18036 KB Output is correct
63 Correct 108 ms 17640 KB Output is correct
64 Incorrect 131 ms 17512 KB Output isn't correct
65 Halted 0 ms 0 KB -