oj.uz

Submission #669800

# Submission time Handle Problem Language Result Execution time Memory
669800 2022-12-07T10:00:56 Z someone Toy Train (IOI17_train) C++14
100 / 100
 345 ms 1748 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, upd;
bool isA[N], isR[N], sent[N], mod[N];

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

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 : upd) {
            nbS[i] = 0;
            mod[i] = false;
            sent[i] = false;
        }
        upd.clear();
        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 980 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 5 ms 1024 KB Output is correct
9 Correct 5 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 1 ms 520 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 0 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 0 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 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

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 1748 KB Output is correct
2 Correct 112 ms 1740 KB Output is correct
3 Correct 144 ms 1728 KB Output is correct
4 Correct 6 ms 1512 KB Output is correct
5 Correct 10 ms 1384 KB Output is correct
6 Correct 7 ms 1280 KB Output is correct
7 Correct 6 ms 1252 KB Output is correct
8 Correct 6 ms 1236 KB Output is correct
9 Correct 5 ms 1236 KB Output is correct
10 Correct 6 ms 1280 KB Output is correct
11 Correct 6 ms 1236 KB Output is correct
12 Correct 6 ms 1108 KB Output is correct
13 Correct 7 ms 1568 KB Output is correct
14 Correct 7 ms 1492 KB Output is correct
15 Correct 7 ms 1508 KB Output is correct
16 Correct 8 ms 1492 KB Output is correct
17 Correct 7 ms 1492 KB Output is correct
18 Correct 220 ms 1316 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 1108 KB Output is correct
3 Correct 8 ms 1256 KB Output is correct
4 Correct 7 ms 1236 KB Output is correct
5 Correct 6 ms 1260 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 1244 KB Output is correct
9 Correct 8 ms 1236 KB Output is correct
10 Correct 6 ms 1236 KB Output is correct
11 Correct 7 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 1296 KB Output is correct
2 Correct 7 ms 1528 KB Output is correct
3 Correct 7 ms 1364 KB Output is correct
4 Correct 6 ms 1236 KB Output is correct
5 Correct 1 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 5 ms 980 KB Output is correct
9 Correct 5 ms 980 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 5 ms 980 KB Output is correct
2 Correct 5 ms 980 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 5 ms 1024 KB Output is correct
9 Correct 5 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 1 ms 520 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 0 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 0 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 1 ms 468 KB Output is correct
29 Correct 1 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 65 ms 1748 KB Output is correct
33 Correct 112 ms 1740 KB Output is correct
34 Correct 144 ms 1728 KB Output is correct
35 Correct 6 ms 1512 KB Output is correct
36 Correct 10 ms 1384 KB Output is correct
37 Correct 7 ms 1280 KB Output is correct
38 Correct 6 ms 1252 KB Output is correct
39 Correct 6 ms 1236 KB Output is correct
40 Correct 5 ms 1236 KB Output is correct
41 Correct 6 ms 1280 KB Output is correct
42 Correct 6 ms 1236 KB Output is correct
43 Correct 6 ms 1108 KB Output is correct
44 Correct 7 ms 1568 KB Output is correct
45 Correct 7 ms 1492 KB Output is correct
46 Correct 7 ms 1508 KB Output is correct
47 Correct 8 ms 1492 KB Output is correct
48 Correct 7 ms 1492 KB Output is correct
49 Correct 220 ms 1316 KB Output is correct
50 Correct 6 ms 1108 KB Output is correct
51 Correct 6 ms 1108 KB Output is correct
52 Correct 8 ms 1256 KB Output is correct
53 Correct 7 ms 1236 KB Output is correct
54 Correct 6 ms 1260 KB Output is correct
55 Correct 7 ms 1236 KB Output is correct
56 Correct 7 ms 1236 KB Output is correct
57 Correct 6 ms 1244 KB Output is correct
58 Correct 8 ms 1236 KB Output is correct
59 Correct 6 ms 1236 KB Output is correct
60 Correct 7 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 1296 KB Output is correct
65 Correct 7 ms 1528 KB Output is correct
66 Correct 7 ms 1364 KB Output is correct
67 Correct 6 ms 1236 KB Output is correct
68 Correct 1 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 5 ms 980 KB Output is correct
72 Correct 5 ms 980 KB Output is correct
73 Correct 2 ms 596 KB Output is correct
74 Correct 4 ms 980 KB Output is correct
75 Correct 93 ms 1468 KB Output is correct
76 Correct 117 ms 1728 KB Output is correct
77 Correct 144 ms 1720 KB Output is correct
78 Correct 145 ms 1724 KB Output is correct
79 Correct 145 ms 1728 KB Output is correct
80 Correct 7 ms 1364 KB Output is correct
81 Correct 7 ms 1256 KB Output is correct
82 Correct 8 ms 1236 KB Output is correct
83 Correct 11 ms 1364 KB Output is correct
84 Correct 9 ms 1364 KB Output is correct
85 Correct 7 ms 1236 KB Output is correct
86 Correct 9 ms 1364 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 15 ms 1236 KB Output is correct
91 Correct 15 ms 1236 KB Output is correct
92 Correct 27 ms 1364 KB Output is correct
93 Correct 25 ms 1264 KB Output is correct
94 Correct 25 ms 1300 KB Output is correct
95 Correct 27 ms 1300 KB Output is correct
96 Correct 63 ms 1200 KB Output is correct
97 Correct 187 ms 1292 KB Output is correct
98 Correct 326 ms 1256 KB Output is correct
99 Correct 345 ms 1240 KB Output is correct
100 Correct 215 ms 1328 KB Output is correct