oj.uz

Submission #788661

# Submission time Handle Problem Language Result Execution time Memory
788661 2023-07-20T13:00:29 Z NeroZein Toy Train (IOI17_train) C++17
100 / 100
 298 ms 1748 KB 
#include "train.h"
#include "bits/stdc++.h"
using namespace std; 

std::vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v) {
  int n = (int) a.size();
  int m = (int) u.size(); 
	vector<int> res(n); 
  vector<vector<int>> g(n), rg(n); 
  for (int i = 0; i < m; ++i) {
    g[u[i]].push_back(v[i]); 
    rg[v[i]].push_back(u[i]); 
  }
  while (true) {
    queue<int> que;
    for (int i = 0; i < n; ++i) {
      if (r[i]) {
        que.push(i); 
      }
    }
    vector<bool> vis(n); 
    vector<int> deg(n);
    for (int i = 0; i < n; ++i) {
      deg[i] = g[i].size();
    }
    while (!que.empty()) {
      int vert = que.front();
      que.pop(); 
      for (int ch : rg[vert]) {
        if (a[ch]) {
          if (!vis[ch]) {
            vis[ch] = true; 
            if (!r[ch]) {
              que.push(ch); 
            }
          }
        } else {
          --deg[ch];
          if (deg[ch] == 0) {
            vis[ch] = true;
            if (!r[ch]) {
              que.push(ch); 
            }
          }
        }
      }
    }
    bool change = false;
    for (int i = 0; i < n; ++i) {
      if (r[i] && !vis[i]) {
        r[i] = 0; 
        change = true;
      }
    }
    if (!change) {
      for (int i = 0; i < n; ++i) {
        res[i] = vis[i]; 
      }
      break; 
    }
  }
	return res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1108 KB Output is correct
2 Correct 5 ms 1108 KB Output is correct
3 Correct 5 ms 1108 KB Output is correct
4 Correct 5 ms 1076 KB Output is correct
5 Correct 5 ms 1108 KB Output is correct
6 Correct 5 ms 1108 KB Output is correct
7 Correct 4 ms 1112 KB Output is correct
8 Correct 5 ms 1108 KB Output is correct
9 Correct 4 ms 1108 KB Output is correct
10 Correct 4 ms 1108 KB Output is correct
11 Correct 3 ms 1080 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 296 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 300 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 304 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 1620 KB Output is correct
2 Correct 78 ms 1628 KB Output is correct
3 Correct 90 ms 1620 KB Output is correct
4 Correct 6 ms 1596 KB Output is correct
5 Correct 9 ms 1596 KB Output is correct
6 Correct 7 ms 1500 KB Output is correct
7 Correct 6 ms 1504 KB Output is correct
8 Correct 6 ms 1492 KB Output is correct
9 Correct 6 ms 1468 KB Output is correct
10 Correct 8 ms 1444 KB Output is correct
11 Correct 6 ms 1468 KB Output is correct
12 Correct 5 ms 1492 KB Output is correct
13 Correct 6 ms 1620 KB Output is correct
14 Correct 6 ms 1596 KB Output is correct
15 Correct 7 ms 1620 KB Output is correct
16 Correct 7 ms 1500 KB Output is correct
17 Correct 6 ms 1620 KB Output is correct
18 Correct 133 ms 1236 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1364 KB Output is correct
2 Correct 6 ms 1468 KB Output is correct
3 Correct 6 ms 1492 KB Output is correct
4 Correct 7 ms 1496 KB Output is correct
5 Correct 6 ms 1588 KB Output is correct
6 Correct 6 ms 1452 KB Output is correct
7 Correct 6 ms 1492 KB Output is correct
8 Correct 6 ms 1492 KB Output is correct
9 Correct 7 ms 1512 KB Output is correct
10 Correct 6 ms 1620 KB Output is correct
11 Correct 6 ms 1616 KB Output is correct
12 Correct 6 ms 1596 KB Output is correct
13 Correct 6 ms 1492 KB Output is correct
14 Correct 6 ms 1492 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1592 KB Output is correct
2 Correct 6 ms 1604 KB Output is correct
3 Correct 6 ms 1492 KB Output is correct
4 Correct 6 ms 1464 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 4 ms 996 KB Output is correct
7 Correct 4 ms 960 KB Output is correct
8 Correct 4 ms 948 KB Output is correct
9 Correct 4 ms 980 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 3 ms 852 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1108 KB Output is correct
2 Correct 5 ms 1108 KB Output is correct
3 Correct 5 ms 1108 KB Output is correct
4 Correct 5 ms 1076 KB Output is correct
5 Correct 5 ms 1108 KB Output is correct
6 Correct 5 ms 1108 KB Output is correct
7 Correct 4 ms 1112 KB Output is correct
8 Correct 5 ms 1108 KB Output is correct
9 Correct 4 ms 1108 KB Output is correct
10 Correct 4 ms 1108 KB Output is correct
11 Correct 3 ms 1080 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 296 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 300 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 304 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 42 ms 1620 KB Output is correct
33 Correct 78 ms 1628 KB Output is correct
34 Correct 90 ms 1620 KB Output is correct
35 Correct 6 ms 1596 KB Output is correct
36 Correct 9 ms 1596 KB Output is correct
37 Correct 7 ms 1500 KB Output is correct
38 Correct 6 ms 1504 KB Output is correct
39 Correct 6 ms 1492 KB Output is correct
40 Correct 6 ms 1468 KB Output is correct
41 Correct 8 ms 1444 KB Output is correct
42 Correct 6 ms 1468 KB Output is correct
43 Correct 5 ms 1492 KB Output is correct
44 Correct 6 ms 1620 KB Output is correct
45 Correct 6 ms 1596 KB Output is correct
46 Correct 7 ms 1620 KB Output is correct
47 Correct 7 ms 1500 KB Output is correct
48 Correct 6 ms 1620 KB Output is correct
49 Correct 133 ms 1236 KB Output is correct
50 Correct 7 ms 1364 KB Output is correct
51 Correct 6 ms 1468 KB Output is correct
52 Correct 6 ms 1492 KB Output is correct
53 Correct 7 ms 1496 KB Output is correct
54 Correct 6 ms 1588 KB Output is correct
55 Correct 6 ms 1452 KB Output is correct
56 Correct 6 ms 1492 KB Output is correct
57 Correct 6 ms 1492 KB Output is correct
58 Correct 7 ms 1512 KB Output is correct
59 Correct 6 ms 1620 KB Output is correct
60 Correct 6 ms 1616 KB Output is correct
61 Correct 6 ms 1596 KB Output is correct
62 Correct 6 ms 1492 KB Output is correct
63 Correct 6 ms 1492 KB Output is correct
64 Correct 6 ms 1592 KB Output is correct
65 Correct 6 ms 1604 KB Output is correct
66 Correct 6 ms 1492 KB Output is correct
67 Correct 6 ms 1464 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Correct 4 ms 996 KB Output is correct
70 Correct 4 ms 960 KB Output is correct
71 Correct 4 ms 948 KB Output is correct
72 Correct 4 ms 980 KB Output is correct
73 Correct 1 ms 468 KB Output is correct
74 Correct 3 ms 852 KB Output is correct
75 Correct 63 ms 1492 KB Output is correct
76 Correct 98 ms 1748 KB Output is correct
77 Correct 109 ms 1740 KB Output is correct
78 Correct 101 ms 1628 KB Output is correct
79 Correct 101 ms 1620 KB Output is correct
80 Correct 7 ms 1596 KB Output is correct
81 Correct 7 ms 1492 KB Output is correct
82 Correct 9 ms 1492 KB Output is correct
83 Correct 8 ms 1588 KB Output is correct
84 Correct 8 ms 1592 KB Output is correct
85 Correct 7 ms 1468 KB Output is correct
86 Correct 8 ms 1492 KB Output is correct
87 Correct 7 ms 1620 KB Output is correct
88 Correct 10 ms 1492 KB Output is correct
89 Correct 7 ms 1596 KB Output is correct
90 Correct 14 ms 1492 KB Output is correct
91 Correct 14 ms 1604 KB Output is correct
92 Correct 24 ms 1592 KB Output is correct
93 Correct 20 ms 1588 KB Output is correct
94 Correct 23 ms 1592 KB Output is correct
95 Correct 25 ms 1588 KB Output is correct
96 Correct 49 ms 1484 KB Output is correct
97 Correct 176 ms 1588 KB Output is correct
98 Correct 271 ms 1548 KB Output is correct
99 Correct 298 ms 1536 KB Output is correct
100 Correct 149 ms 1236 KB Output is correct