oj.uz

Submission #396311

# Submission time Handle Problem Language Result Execution time Memory
396311 2021-04-29T17:51:20 Z faresbasbs Stations (IOI20_stations) C++14
100 / 100
 1178 ms 804 KB 
#include <bits/stdc++.h>
#include "stations.h"
using namespace std;
int x;

void dfs(int curr , int par , int hi , vector<vector<int>> &graph , int &cnt , vector<int> &ret){
  if(hi%2 == 0){
    ret[curr] = cnt;
    cnt += 1;
  }
  for(auto i : graph[curr]){
    if(i == par){
      continue;
    }
    dfs(i,curr,hi+1,graph,cnt,ret);
  }
  if(hi%2 == 1){
    ret[curr] = cnt;
    cnt += 1;
  }
}

vector<int> label(int n , int k , vector<int> u , vector<int> v){
  vector<vector<int>> graph(1001);
  int cnt = 0;
  for(int i = 0 ; i < u.size() ; i += 1){
    graph[u[i]].push_back(v[i]);
    graph[v[i]].push_back(u[i]);
  }
  vector<int> labels(n);
  dfs(0,0,0,graph,cnt,labels);
  return labels;
}

int find_next_station(int s , int t , vector<int> c){
  sort(c.begin(),c.end());
  if(c.size() == 1){
    return c[0];
  }
  if(s < c[0]){
    if(t >= s && t <= c[c.size()-2]){
      for(int i = 0 ; i < c.size() ; i += 1){
        if(t <= c[i]){
          return c[i];
        }
      }
    }
    return c.back();
  }else{
    if(t <= s && t >= c[1]){
      for(int i = c.size()-1 ; i >= 0 ; i -= 1){
        if(t >= c[i]){
          return c[i];
        }
      }
    }
    return c[0];
  }
}

Compilation message

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:26:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |   for(int i = 0 ; i < u.size() ; i += 1){
      |                   ~~^~~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:42:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |       for(int i = 0 ; i < c.size() ; i += 1){
      |                       ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 598 ms 660 KB Output is correct
2 Correct 598 ms 660 KB Output is correct
3 Correct 1057 ms 472 KB Output is correct
4 Correct 647 ms 528 KB Output is correct
5 Correct 675 ms 528 KB Output is correct
6 Correct 514 ms 520 KB Output is correct
7 Correct 458 ms 528 KB Output is correct
8 Correct 3 ms 608 KB Output is correct
9 Correct 4 ms 600 KB Output is correct
10 Correct 2 ms 600 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 579 ms 492 KB Output is correct
2 Correct 481 ms 576 KB Output is correct
3 Correct 883 ms 528 KB Output is correct
4 Correct 890 ms 400 KB Output is correct
5 Correct 646 ms 528 KB Output is correct
6 Correct 636 ms 492 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 609 ms 620 KB Output is correct
2 Correct 523 ms 528 KB Output is correct
3 Correct 883 ms 504 KB Output is correct
4 Correct 664 ms 508 KB Output is correct
5 Correct 772 ms 528 KB Output is correct
6 Correct 452 ms 656 KB Output is correct
7 Correct 501 ms 616 KB Output is correct
8 Correct 3 ms 600 KB Output is correct
9 Correct 4 ms 604 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 718 ms 488 KB Output is correct
12 Correct 596 ms 696 KB Output is correct
13 Correct 501 ms 692 KB Output is correct
14 Correct 571 ms 528 KB Output is correct
15 Correct 72 ms 600 KB Output is correct
16 Correct 72 ms 588 KB Output is correct
17 Correct 141 ms 580 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1178 ms 528 KB Output is correct
2 Correct 770 ms 492 KB Output is correct
3 Correct 647 ms 520 KB Output is correct
4 Correct 3 ms 608 KB Output is correct
5 Correct 4 ms 608 KB Output is correct
6 Correct 2 ms 600 KB Output is correct
7 Correct 637 ms 532 KB Output is correct
8 Correct 799 ms 528 KB Output is correct
9 Correct 689 ms 488 KB Output is correct
10 Correct 583 ms 528 KB Output is correct
11 Correct 5 ms 608 KB Output is correct
12 Correct 5 ms 600 KB Output is correct
13 Correct 4 ms 604 KB Output is correct
14 Correct 5 ms 604 KB Output is correct
15 Correct 2 ms 612 KB Output is correct
16 Correct 655 ms 528 KB Output is correct
17 Correct 615 ms 528 KB Output is correct
18 Correct 644 ms 528 KB Output is correct
19 Correct 474 ms 528 KB Output is correct
20 Correct 684 ms 528 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 597 ms 712 KB Output is correct
2 Correct 510 ms 612 KB Output is correct
3 Correct 1047 ms 492 KB Output is correct
4 Correct 850 ms 556 KB Output is correct
5 Correct 672 ms 532 KB Output is correct
6 Correct 477 ms 656 KB Output is correct
7 Correct 529 ms 528 KB Output is correct
8 Correct 3 ms 608 KB Output is correct
9 Correct 5 ms 600 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 474 ms 532 KB Output is correct
12 Correct 584 ms 488 KB Output is correct
13 Correct 1021 ms 528 KB Output is correct
14 Correct 723 ms 488 KB Output is correct
15 Correct 699 ms 492 KB Output is correct
16 Correct 535 ms 524 KB Output is correct
17 Correct 839 ms 508 KB Output is correct
18 Correct 530 ms 704 KB Output is correct
19 Correct 538 ms 776 KB Output is correct
20 Correct 480 ms 528 KB Output is correct
21 Correct 76 ms 580 KB Output is correct
22 Correct 86 ms 548 KB Output is correct
23 Correct 106 ms 528 KB Output is correct
24 Correct 7 ms 600 KB Output is correct
25 Correct 6 ms 600 KB Output is correct
26 Correct 6 ms 600 KB Output is correct
27 Correct 4 ms 604 KB Output is correct
28 Correct 2 ms 600 KB Output is correct
29 Correct 619 ms 528 KB Output is correct
30 Correct 560 ms 656 KB Output is correct
31 Correct 671 ms 656 KB Output is correct
32 Correct 592 ms 528 KB Output is correct
33 Correct 636 ms 528 KB Output is correct
34 Correct 384 ms 528 KB Output is correct
35 Correct 477 ms 708 KB Output is correct
36 Correct 450 ms 740 KB Output is correct
37 Correct 548 ms 660 KB Output is correct
38 Correct 602 ms 776 KB Output is correct
39 Correct 624 ms 804 KB Output is correct
40 Correct 524 ms 692 KB Output is correct
41 Correct 454 ms 608 KB Output is correct
42 Correct 64 ms 588 KB Output is correct
43 Correct 141 ms 532 KB Output is correct
44 Correct 177 ms 492 KB Output is correct
45 Correct 195 ms 528 KB Output is correct
46 Correct 373 ms 528 KB Output is correct
47 Correct 364 ms 528 KB Output is correct
48 Correct 83 ms 560 KB Output is correct
49 Correct 73 ms 552 KB Output is correct