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Submission #669797

# Submission time Handle Problem Language Result Execution time Memory
669797 2022-12-07T09:58:21 Z someone Toy Train (IOI17_train) C++14
100 / 100
 267 ms 1532 KB 
//#include "train.h"
#include <bits/stdc++.h>
using namespace std;
 
const int N = 1e4 + 42, INF = 1e9;

int n, m, nb[N], nbS[N];
vector<int> adj[N], ans;
bool isA[N], isR[N], sent[N], mod[N];

void dfs(int i) {
    if(sent[i])
        return;
    sent[i] = true;
    for(int j : adj[i]) {
        nbS[j]++;
        if(isA[j] || nbS[j] == nb[j])
            dfs(j);
    }
}
 
vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
    n = (int)a.size();
    m = (int)u.size();
    for(int i = 0; i < n; i++)
        isA[i] = (a[i] == 1),
        isR[i] = (r[i] == 1);
    for(int i = 0; i < m; i++) {
        nb[u[i]]++;
        adj[v[i]].push_back(u[i]);
    }
    
    deque<int> id;
    for(int i = 0; i < n; i++)
        if(r[i])
            id.push_back(i);
    int sz = (int)id.size();
    while(true) {
        for(int i : id)
            dfs(i);
        for(int i = 0; i < sz; i++) {
            if((isA[id[0]] && nbS[id[0]] > 0) || nbS[id[0]] == nb[id[0]])
                id.push_back(id[0]);
            id.pop_front();
        }
        for(int i = 0; i < n; i++) {
            nbS[i] = 0;
            sent[i] = false;
        }
        if(sz == (int)id.size())
            break;
        sz = id.size();
    }
    for(int i : id)
        dfs(i);
    for(int i = 0; i < n; i++)
        ans.push_back(sent[i]);
    return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 980 KB Output is correct
2 Correct 4 ms 980 KB Output is correct
3 Correct 4 ms 980 KB Output is correct
4 Correct 5 ms 976 KB Output is correct
5 Correct 4 ms 980 KB Output is correct
6 Correct 5 ms 980 KB Output is correct
7 Correct 4 ms 980 KB Output is correct
8 Correct 4 ms 980 KB Output is correct
9 Correct 4 ms 980 KB Output is correct
10 Correct 4 ms 980 KB Output is correct
11 Correct 3 ms 980 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 0 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 0 ms 468 KB Output is correct
17 Correct 0 ms 468 KB Output is correct
18 Correct 0 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 0 ms 468 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 1520 KB Output is correct
2 Correct 92 ms 1532 KB Output is correct
3 Correct 118 ms 1516 KB Output is correct
4 Correct 7 ms 1364 KB Output is correct
5 Correct 10 ms 1364 KB Output is correct
6 Correct 7 ms 1236 KB Output is correct
7 Correct 7 ms 1236 KB Output is correct
8 Correct 6 ms 1236 KB Output is correct
9 Correct 6 ms 1236 KB Output is correct
10 Correct 5 ms 1236 KB Output is correct
11 Correct 6 ms 1236 KB Output is correct
12 Correct 5 ms 1108 KB Output is correct
13 Correct 6 ms 1364 KB Output is correct
14 Correct 7 ms 1364 KB Output is correct
15 Correct 6 ms 1364 KB Output is correct
16 Correct 6 ms 1376 KB Output is correct
17 Correct 7 ms 1364 KB Output is correct
18 Correct 172 ms 1172 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1104 KB Output is correct
2 Correct 6 ms 1108 KB Output is correct
3 Correct 6 ms 1236 KB Output is correct
4 Correct 6 ms 1236 KB Output is correct
5 Correct 7 ms 1248 KB Output is correct
6 Correct 6 ms 1236 KB Output is correct
7 Correct 7 ms 1236 KB Output is correct
8 Correct 6 ms 1236 KB Output is correct
9 Correct 7 ms 1228 KB Output is correct
10 Correct 7 ms 1236 KB Output is correct
11 Correct 6 ms 1236 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 6 ms 1236 KB Output is correct
14 Correct 6 ms 1108 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1236 KB Output is correct
2 Correct 7 ms 1364 KB Output is correct
3 Correct 7 ms 1236 KB Output is correct
4 Correct 7 ms 1236 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 3 ms 852 KB Output is correct
7 Correct 4 ms 980 KB Output is correct
8 Correct 4 ms 980 KB Output is correct
9 Correct 5 ms 956 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 4 ms 980 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 980 KB Output is correct
2 Correct 4 ms 980 KB Output is correct
3 Correct 4 ms 980 KB Output is correct
4 Correct 5 ms 976 KB Output is correct
5 Correct 4 ms 980 KB Output is correct
6 Correct 5 ms 980 KB Output is correct
7 Correct 4 ms 980 KB Output is correct
8 Correct 4 ms 980 KB Output is correct
9 Correct 4 ms 980 KB Output is correct
10 Correct 4 ms 980 KB Output is correct
11 Correct 3 ms 980 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 0 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 0 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 0 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 0 ms 468 KB Output is correct
28 Correct 0 ms 468 KB Output is correct
29 Correct 0 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 0 ms 468 KB Output is correct
32 Correct 53 ms 1520 KB Output is correct
33 Correct 92 ms 1532 KB Output is correct
34 Correct 118 ms 1516 KB Output is correct
35 Correct 7 ms 1364 KB Output is correct
36 Correct 10 ms 1364 KB Output is correct
37 Correct 7 ms 1236 KB Output is correct
38 Correct 7 ms 1236 KB Output is correct
39 Correct 6 ms 1236 KB Output is correct
40 Correct 6 ms 1236 KB Output is correct
41 Correct 5 ms 1236 KB Output is correct
42 Correct 6 ms 1236 KB Output is correct
43 Correct 5 ms 1108 KB Output is correct
44 Correct 6 ms 1364 KB Output is correct
45 Correct 7 ms 1364 KB Output is correct
46 Correct 6 ms 1364 KB Output is correct
47 Correct 6 ms 1376 KB Output is correct
48 Correct 7 ms 1364 KB Output is correct
49 Correct 172 ms 1172 KB Output is correct
50 Correct 6 ms 1104 KB Output is correct
51 Correct 6 ms 1108 KB Output is correct
52 Correct 6 ms 1236 KB Output is correct
53 Correct 6 ms 1236 KB Output is correct
54 Correct 7 ms 1248 KB Output is correct
55 Correct 6 ms 1236 KB Output is correct
56 Correct 7 ms 1236 KB Output is correct
57 Correct 6 ms 1236 KB Output is correct
58 Correct 7 ms 1228 KB Output is correct
59 Correct 7 ms 1236 KB Output is correct
60 Correct 6 ms 1236 KB Output is correct
61 Correct 7 ms 1236 KB Output is correct
62 Correct 6 ms 1236 KB Output is correct
63 Correct 6 ms 1108 KB Output is correct
64 Correct 6 ms 1236 KB Output is correct
65 Correct 7 ms 1364 KB Output is correct
66 Correct 7 ms 1236 KB Output is correct
67 Correct 7 ms 1236 KB Output is correct
68 Correct 2 ms 596 KB Output is correct
69 Correct 3 ms 852 KB Output is correct
70 Correct 4 ms 980 KB Output is correct
71 Correct 4 ms 980 KB Output is correct
72 Correct 5 ms 956 KB Output is correct
73 Correct 2 ms 596 KB Output is correct
74 Correct 4 ms 980 KB Output is correct
75 Correct 77 ms 1332 KB Output is correct
76 Correct 92 ms 1516 KB Output is correct
77 Correct 125 ms 1508 KB Output is correct
78 Correct 121 ms 1512 KB Output is correct
79 Correct 120 ms 1524 KB Output is correct
80 Correct 7 ms 1236 KB Output is correct
81 Correct 7 ms 1236 KB Output is correct
82 Correct 7 ms 1236 KB Output is correct
83 Correct 8 ms 1364 KB Output is correct
84 Correct 8 ms 1236 KB Output is correct
85 Correct 6 ms 1256 KB Output is correct
86 Correct 9 ms 1236 KB Output is correct
87 Correct 6 ms 1236 KB Output is correct
88 Correct 10 ms 1220 KB Output is correct
89 Correct 7 ms 1236 KB Output is correct
90 Correct 13 ms 1236 KB Output is correct
91 Correct 14 ms 1232 KB Output is correct
92 Correct 24 ms 1260 KB Output is correct
93 Correct 19 ms 1236 KB Output is correct
94 Correct 20 ms 1236 KB Output is correct
95 Correct 23 ms 1228 KB Output is correct
96 Correct 46 ms 1140 KB Output is correct
97 Correct 147 ms 1212 KB Output is correct
98 Correct 260 ms 1188 KB Output is correct
99 Correct 267 ms 1180 KB Output is correct
100 Correct 177 ms 1228 KB Output is correct