oj.uz

Submission #134142

# Submission time Handle Problem Language Result Execution time Memory
134142 2019-07-22T06:55:33 Z IOrtroiii Toy Train (IOI17_train) C++14
100 / 100
 688 ms 1528 KB 
#include <bits/stdc++.h>

#include "train.h"

using namespace std;

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
   int n = a.size();
   int m = u.size();
   vector<int> deg(n);
   vector<vector<int>> g(n);
   for (int i = 0; i < m; ++i) {
      ++deg[u[i]];
      g[v[i]].push_back(u[i]);
   }
   while (true) {
      vector<int> ans = r;
      {
         queue<int> q;
         vector<int> cdeg = deg;
         for (int i = 0; i < n; ++i) {
            if (ans[i]) {
               q.push(i);
            }
         }
         while (!q.empty()) {
            int u = q.front(); q.pop();
            for (int v : g[u]) {
               if (!ans[v]) {
                  if (a[v] || (--cdeg[v]) == 0) {
                     ans[v] = 1;
                     q.push(v);
                  }
               }
            }
         }
      }
      {
         queue<int> q;
         vector<int> cdeg = deg;
         for (int i = 0; i < n; ++i) {
            if (!ans[i]) {
               q.push(i);
            }
         }
         while (!q.empty()) {
            int u = q.front(); q.pop();
            for (int v : g[u]) {
               if (ans[v]) {
                  if (!a[v] || (--cdeg[v]) == 0) {
                     ans[v] = 0;
                     q.push(v);
                  }
               }
            }
         }
      }
      bool finish = true;
      for (int i = 0; i < n; ++i) {
         if (!ans[i] && r[i]) {
            r[i] = 0;
            finish = false;
         }
      }
      if (finish) {
         return ans;
      }
   }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 888 KB Output is correct
2 Correct 8 ms 888 KB Output is correct
3 Correct 7 ms 888 KB Output is correct
4 Correct 7 ms 888 KB Output is correct
5 Correct 7 ms 888 KB Output is correct
6 Correct 7 ms 888 KB Output is correct
7 Correct 6 ms 888 KB Output is correct
8 Correct 7 ms 888 KB Output is correct
9 Correct 7 ms 888 KB Output is correct
10 Correct 6 ms 888 KB Output is correct
11 Correct 6 ms 888 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 1 ms 376 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 256 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 1412 KB Output is correct
2 Correct 178 ms 1368 KB Output is correct
3 Correct 250 ms 1400 KB Output is correct
4 Correct 11 ms 1272 KB Output is correct
5 Correct 12 ms 1400 KB Output is correct
6 Correct 12 ms 1400 KB Output is correct
7 Correct 12 ms 1400 KB Output is correct
8 Correct 10 ms 1400 KB Output is correct
9 Correct 9 ms 1272 KB Output is correct
10 Correct 10 ms 1272 KB Output is correct
11 Correct 9 ms 1272 KB Output is correct
12 Correct 9 ms 1272 KB Output is correct
13 Correct 10 ms 1400 KB Output is correct
14 Correct 10 ms 1372 KB Output is correct
15 Correct 10 ms 1272 KB Output is correct
16 Correct 10 ms 1272 KB Output is correct
17 Correct 12 ms 1400 KB Output is correct
18 Correct 387 ms 1116 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1144 KB Output is correct
2 Correct 9 ms 1144 KB Output is correct
3 Correct 10 ms 1272 KB Output is correct
4 Correct 11 ms 1400 KB Output is correct
5 Correct 10 ms 1280 KB Output is correct
6 Correct 10 ms 1272 KB Output is correct
7 Correct 10 ms 1272 KB Output is correct
8 Correct 10 ms 1272 KB Output is correct
9 Correct 10 ms 1272 KB Output is correct
10 Correct 10 ms 1400 KB Output is correct
11 Correct 10 ms 1400 KB Output is correct
12 Correct 10 ms 1272 KB Output is correct
13 Correct 10 ms 1272 KB Output is correct
14 Correct 9 ms 1272 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1272 KB Output is correct
2 Correct 10 ms 1400 KB Output is correct
3 Correct 10 ms 1272 KB Output is correct
4 Correct 10 ms 1272 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 7 ms 892 KB Output is correct
7 Correct 8 ms 860 KB Output is correct
8 Correct 7 ms 884 KB Output is correct
9 Correct 7 ms 1016 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 7 ms 888 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 888 KB Output is correct
2 Correct 8 ms 888 KB Output is correct
3 Correct 7 ms 888 KB Output is correct
4 Correct 7 ms 888 KB Output is correct
5 Correct 7 ms 888 KB Output is correct
6 Correct 7 ms 888 KB Output is correct
7 Correct 6 ms 888 KB Output is correct
8 Correct 7 ms 888 KB Output is correct
9 Correct 7 ms 888 KB Output is correct
10 Correct 6 ms 888 KB Output is correct
11 Correct 6 ms 888 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 364 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 1 ms 376 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 84 ms 1412 KB Output is correct
33 Correct 178 ms 1368 KB Output is correct
34 Correct 250 ms 1400 KB Output is correct
35 Correct 11 ms 1272 KB Output is correct
36 Correct 12 ms 1400 KB Output is correct
37 Correct 12 ms 1400 KB Output is correct
38 Correct 12 ms 1400 KB Output is correct
39 Correct 10 ms 1400 KB Output is correct
40 Correct 9 ms 1272 KB Output is correct
41 Correct 10 ms 1272 KB Output is correct
42 Correct 9 ms 1272 KB Output is correct
43 Correct 9 ms 1272 KB Output is correct
44 Correct 10 ms 1400 KB Output is correct
45 Correct 10 ms 1372 KB Output is correct
46 Correct 10 ms 1272 KB Output is correct
47 Correct 10 ms 1272 KB Output is correct
48 Correct 12 ms 1400 KB Output is correct
49 Correct 387 ms 1116 KB Output is correct
50 Correct 9 ms 1144 KB Output is correct
51 Correct 9 ms 1144 KB Output is correct
52 Correct 10 ms 1272 KB Output is correct
53 Correct 11 ms 1400 KB Output is correct
54 Correct 10 ms 1280 KB Output is correct
55 Correct 10 ms 1272 KB Output is correct
56 Correct 10 ms 1272 KB Output is correct
57 Correct 10 ms 1272 KB Output is correct
58 Correct 10 ms 1272 KB Output is correct
59 Correct 10 ms 1400 KB Output is correct
60 Correct 10 ms 1400 KB Output is correct
61 Correct 10 ms 1272 KB Output is correct
62 Correct 10 ms 1272 KB Output is correct
63 Correct 9 ms 1272 KB Output is correct
64 Correct 10 ms 1272 KB Output is correct
65 Correct 10 ms 1400 KB Output is correct
66 Correct 10 ms 1272 KB Output is correct
67 Correct 10 ms 1272 KB Output is correct
68 Correct 3 ms 376 KB Output is correct
69 Correct 7 ms 892 KB Output is correct
70 Correct 8 ms 860 KB Output is correct
71 Correct 7 ms 884 KB Output is correct
72 Correct 7 ms 1016 KB Output is correct
73 Correct 3 ms 504 KB Output is correct
74 Correct 7 ms 888 KB Output is correct
75 Correct 143 ms 1272 KB Output is correct
76 Correct 223 ms 1372 KB Output is correct
77 Correct 312 ms 1400 KB Output is correct
78 Correct 300 ms 1528 KB Output is correct
79 Correct 312 ms 1400 KB Output is correct
80 Correct 11 ms 1300 KB Output is correct
81 Correct 10 ms 1400 KB Output is correct
82 Correct 11 ms 1272 KB Output is correct
83 Correct 12 ms 1272 KB Output is correct
84 Correct 12 ms 1400 KB Output is correct
85 Correct 12 ms 1272 KB Output is correct
86 Correct 12 ms 1400 KB Output is correct
87 Correct 10 ms 1400 KB Output is correct
88 Correct 14 ms 1400 KB Output is correct
89 Correct 11 ms 1272 KB Output is correct
90 Correct 18 ms 1400 KB Output is correct
91 Correct 16 ms 1400 KB Output is correct
92 Correct 27 ms 1400 KB Output is correct
93 Correct 27 ms 1272 KB Output is correct
94 Correct 29 ms 1400 KB Output is correct
95 Correct 31 ms 1272 KB Output is correct
96 Correct 85 ms 1272 KB Output is correct
97 Correct 438 ms 1388 KB Output is correct
98 Correct 644 ms 1400 KB Output is correct
99 Correct 688 ms 1528 KB Output is correct
100 Correct 384 ms 1136 KB Output is correct