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Submission #669803

# Submission time Handle Problem Language Result Execution time Memory
669803 2022-12-07T10:08:36 Z someone Toy Train (IOI17_train) C++14
100 / 100
 337 ms 1612 KB 
#include <bits/stdc++.h>
using namespace std;
 
const int N = 1e4 + 42, INF = 1e9;

vector<int> adj[N], ans;
bool isA[N], isR[N], sent[N], mod[N];
int n, m, x = 0, nb[N], nbS[N], upd[N];

inline void add(int i) {
    if(mod[i])
        return;
    upd[x] = i;
    mod[i] = true;
    x++;
}

void dfs(int i) {
    if(sent[i])
        return;
    add(i);
    sent[i] = true;
    for(int j : adj[i]) {
        add(j);
        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 < x; i++) {
            nbS[upd[i]] = 0;
            mod[upd[i]] = false;
            sent[upd[i]] = false;
        }
        x = 0;
        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 5 ms 980 KB Output is correct
2 Correct 5 ms 988 KB Output is correct
3 Correct 5 ms 980 KB Output is correct
4 Correct 5 ms 980 KB Output is correct
5 Correct 5 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 6 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 0 ms 468 KB Output is correct
3 Correct 1 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 1 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 1 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 0 ms 468 KB Output is correct
14 Correct 0 ms 468 KB Output is correct
15 Correct 0 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 1 ms 468 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 1556 KB Output is correct
2 Correct 103 ms 1612 KB Output is correct
3 Correct 136 ms 1544 KB Output is correct
4 Correct 7 ms 1364 KB Output is correct
5 Correct 9 ms 1352 KB Output is correct
6 Correct 8 ms 1236 KB Output is correct
7 Correct 6 ms 1236 KB Output is correct
8 Correct 6 ms 1248 KB Output is correct
9 Correct 5 ms 1236 KB Output is correct
10 Correct 6 ms 1232 KB Output is correct
11 Correct 6 ms 1236 KB Output is correct
12 Correct 5 ms 1108 KB Output is correct
13 Correct 7 ms 1492 KB Output is correct
14 Correct 7 ms 1492 KB Output is correct
15 Correct 7 ms 1492 KB Output is correct
16 Correct 6 ms 1492 KB Output is correct
17 Correct 7 ms 1492 KB Output is correct
18 Correct 208 ms 1200 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1108 KB Output is correct
2 Correct 6 ms 1156 KB Output is correct
3 Correct 6 ms 1236 KB Output is correct
4 Correct 7 ms 1236 KB Output is correct
5 Correct 6 ms 1236 KB Output is correct
6 Correct 6 ms 1236 KB Output is correct
7 Correct 6 ms 1236 KB Output is correct
8 Correct 7 ms 1232 KB Output is correct
9 Correct 7 ms 1236 KB Output is correct
10 Correct 7 ms 1248 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 1236 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1308 KB Output is correct
2 Correct 8 ms 1364 KB Output is correct
3 Correct 7 ms 1236 KB Output is correct
4 Correct 6 ms 1236 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 4 ms 844 KB Output is correct
7 Correct 4 ms 940 KB Output is correct
8 Correct 4 ms 980 KB Output is correct
9 Correct 4 ms 980 KB Output is correct
10 Correct 1 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 5 ms 980 KB Output is correct
2 Correct 5 ms 988 KB Output is correct
3 Correct 5 ms 980 KB Output is correct
4 Correct 5 ms 980 KB Output is correct
5 Correct 5 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 6 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 0 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 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 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 1 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 0 ms 468 KB Output is correct
25 Correct 0 ms 468 KB Output is correct
26 Correct 0 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 1 ms 468 KB Output is correct
32 Correct 61 ms 1556 KB Output is correct
33 Correct 103 ms 1612 KB Output is correct
34 Correct 136 ms 1544 KB Output is correct
35 Correct 7 ms 1364 KB Output is correct
36 Correct 9 ms 1352 KB Output is correct
37 Correct 8 ms 1236 KB Output is correct
38 Correct 6 ms 1236 KB Output is correct
39 Correct 6 ms 1248 KB Output is correct
40 Correct 5 ms 1236 KB Output is correct
41 Correct 6 ms 1232 KB Output is correct
42 Correct 6 ms 1236 KB Output is correct
43 Correct 5 ms 1108 KB Output is correct
44 Correct 7 ms 1492 KB Output is correct
45 Correct 7 ms 1492 KB Output is correct
46 Correct 7 ms 1492 KB Output is correct
47 Correct 6 ms 1492 KB Output is correct
48 Correct 7 ms 1492 KB Output is correct
49 Correct 208 ms 1200 KB Output is correct
50 Correct 6 ms 1108 KB Output is correct
51 Correct 6 ms 1156 KB Output is correct
52 Correct 6 ms 1236 KB Output is correct
53 Correct 7 ms 1236 KB Output is correct
54 Correct 6 ms 1236 KB Output is correct
55 Correct 6 ms 1236 KB Output is correct
56 Correct 6 ms 1236 KB Output is correct
57 Correct 7 ms 1232 KB Output is correct
58 Correct 7 ms 1236 KB Output is correct
59 Correct 7 ms 1248 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 1236 KB Output is correct
64 Correct 7 ms 1308 KB Output is correct
65 Correct 8 ms 1364 KB Output is correct
66 Correct 7 ms 1236 KB Output is correct
67 Correct 6 ms 1236 KB Output is correct
68 Correct 1 ms 596 KB Output is correct
69 Correct 4 ms 844 KB Output is correct
70 Correct 4 ms 940 KB Output is correct
71 Correct 4 ms 980 KB Output is correct
72 Correct 4 ms 980 KB Output is correct
73 Correct 1 ms 596 KB Output is correct
74 Correct 4 ms 980 KB Output is correct
75 Correct 93 ms 1376 KB Output is correct
76 Correct 109 ms 1548 KB Output is correct
77 Correct 139 ms 1532 KB Output is correct
78 Correct 137 ms 1556 KB Output is correct
79 Correct 146 ms 1612 KB Output is correct
80 Correct 8 ms 1348 KB Output is correct
81 Correct 7 ms 1236 KB Output is correct
82 Correct 8 ms 1236 KB Output is correct
83 Correct 9 ms 1364 KB Output is correct
84 Correct 8 ms 1364 KB Output is correct
85 Correct 7 ms 1232 KB Output is correct
86 Correct 9 ms 1368 KB Output is correct
87 Correct 6 ms 1236 KB Output is correct
88 Correct 11 ms 1236 KB Output is correct
89 Correct 7 ms 1236 KB Output is correct
90 Correct 17 ms 1364 KB Output is correct
91 Correct 15 ms 1260 KB Output is correct
92 Correct 26 ms 1292 KB Output is correct
93 Correct 24 ms 1236 KB Output is correct
94 Correct 24 ms 1236 KB Output is correct
95 Correct 27 ms 1252 KB Output is correct
96 Correct 60 ms 1168 KB Output is correct
97 Correct 185 ms 1264 KB Output is correct
98 Correct 316 ms 1312 KB Output is correct
99 Correct 337 ms 1220 KB Output is correct
100 Correct 199 ms 1196 KB Output is correct