oj.uz

Submission #608675

# Submission time Handle Problem Language Result Execution time Memory
608675 2022-07-27T09:01:17 Z yanndev Toy Train (IOI17_train) C++17
100 / 100
 686 ms 1236 KB 
#include <bits/stdc++.h>
using namespace std;
 
const int MX = 5042;
 
int n;
int deg[MX];
int baseDeg[MX];
int nxt[2 * MX];
bool vis[MX];
bool vis2[MX];
bool isOk[MX];
bool isAlice[MX];
bool isCharge[MX];
vector<int> rgraph[MX];
 
bool BFS() {
    int start = 0;
    int end = 0;
 
    for (int i = 0; i < n; i++) {
        deg[i] = baseDeg[i];
        if (isCharge[i] && isOk[i])
            nxt[end++] = i;
        vis[i] = vis2[i] = false;
    }
 
    //cout << layer << ' ' << (int)nxt.size() << '\n';
    
    while (start < end) {
        auto cur = nxt[start++];
        //cout << "cur is " << cur << '\n';
 
        if (vis[cur])
            continue;
        vis[cur] = true;
 
        for (auto& x: rgraph[cur]) {
            if (!vis2[x] && ((--deg[x] == 0) || isAlice[x])) {
                vis2[x] = true;
                nxt[end++] = x;
            }
        }
    }
 
    for (int i = 0; i < n; i++) {
        if (isOk[i] && !vis2[i]) {
            isOk[i] = false;
            return true;
        }
    }
 
    return false;
}
 
vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
    n = (int)a.size();
 
    for (int i = 0; i < (int)u.size(); i++) {
        rgraph[v[i]].push_back(u[i]);
        baseDeg[u[i]]++;
    }
    
    for (int i = 0; i < n; i++) {
        isAlice[i] = a[i];
        isCharge[i] = r[i];
        isOk[i] = true;
    }
 
    while (BFS());
 
    vector<int> ans (n);
    for (int i = 0; i < n; i++)
        ans[i] = isOk[i];
    return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 253 ms 836 KB Output is correct
2 Correct 277 ms 852 KB Output is correct
3 Correct 241 ms 852 KB Output is correct
4 Correct 253 ms 844 KB Output is correct
5 Correct 247 ms 828 KB Output is correct
6 Correct 242 ms 832 KB Output is correct
7 Correct 270 ms 824 KB Output is correct
8 Correct 72 ms 832 KB Output is correct
9 Correct 225 ms 812 KB Output is correct
10 Correct 203 ms 796 KB Output is correct
11 Correct 164 ms 800 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 428 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 179 ms 1116 KB Output is correct
2 Correct 317 ms 1116 KB Output is correct
3 Correct 334 ms 1108 KB Output is correct
4 Correct 7 ms 1108 KB Output is correct
5 Correct 183 ms 1088 KB Output is correct
6 Correct 225 ms 1088 KB Output is correct
7 Correct 6 ms 1108 KB Output is correct
8 Correct 194 ms 1096 KB Output is correct
9 Correct 41 ms 1052 KB Output is correct
10 Correct 150 ms 1056 KB Output is correct
11 Correct 182 ms 1044 KB Output is correct
12 Correct 40 ms 1020 KB Output is correct
13 Correct 6 ms 1108 KB Output is correct
14 Correct 7 ms 1124 KB Output is correct
15 Correct 6 ms 1132 KB Output is correct
16 Correct 6 ms 1108 KB Output is correct
17 Correct 7 ms 1108 KB Output is correct
18 Correct 352 ms 896 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 980 KB Output is correct
2 Correct 226 ms 1008 KB Output is correct
3 Correct 148 ms 1052 KB Output is correct
4 Correct 352 ms 1076 KB Output is correct
5 Correct 368 ms 1072 KB Output is correct
6 Correct 270 ms 1072 KB Output is correct
7 Correct 312 ms 1072 KB Output is correct
8 Correct 207 ms 1044 KB Output is correct
9 Correct 199 ms 1108 KB Output is correct
10 Correct 6 ms 1108 KB Output is correct
11 Correct 6 ms 1108 KB Output is correct
12 Correct 6 ms 1108 KB Output is correct
13 Correct 310 ms 1108 KB Output is correct
14 Correct 226 ms 1024 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 314 ms 1084 KB Output is correct
2 Correct 6 ms 1108 KB Output is correct
3 Correct 242 ms 1084 KB Output is correct
4 Correct 7 ms 980 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 34 ms 780 KB Output is correct
7 Correct 16 ms 904 KB Output is correct
8 Correct 19 ms 852 KB Output is correct
9 Correct 20 ms 948 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 11 ms 852 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 253 ms 836 KB Output is correct
2 Correct 277 ms 852 KB Output is correct
3 Correct 241 ms 852 KB Output is correct
4 Correct 253 ms 844 KB Output is correct
5 Correct 247 ms 828 KB Output is correct
6 Correct 242 ms 832 KB Output is correct
7 Correct 270 ms 824 KB Output is correct
8 Correct 72 ms 832 KB Output is correct
9 Correct 225 ms 812 KB Output is correct
10 Correct 203 ms 796 KB Output is correct
11 Correct 164 ms 800 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 428 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 179 ms 1116 KB Output is correct
33 Correct 317 ms 1116 KB Output is correct
34 Correct 334 ms 1108 KB Output is correct
35 Correct 7 ms 1108 KB Output is correct
36 Correct 183 ms 1088 KB Output is correct
37 Correct 225 ms 1088 KB Output is correct
38 Correct 6 ms 1108 KB Output is correct
39 Correct 194 ms 1096 KB Output is correct
40 Correct 41 ms 1052 KB Output is correct
41 Correct 150 ms 1056 KB Output is correct
42 Correct 182 ms 1044 KB Output is correct
43 Correct 40 ms 1020 KB Output is correct
44 Correct 6 ms 1108 KB Output is correct
45 Correct 7 ms 1124 KB Output is correct
46 Correct 6 ms 1132 KB Output is correct
47 Correct 6 ms 1108 KB Output is correct
48 Correct 7 ms 1108 KB Output is correct
49 Correct 352 ms 896 KB Output is correct
50 Correct 6 ms 980 KB Output is correct
51 Correct 226 ms 1008 KB Output is correct
52 Correct 148 ms 1052 KB Output is correct
53 Correct 352 ms 1076 KB Output is correct
54 Correct 368 ms 1072 KB Output is correct
55 Correct 270 ms 1072 KB Output is correct
56 Correct 312 ms 1072 KB Output is correct
57 Correct 207 ms 1044 KB Output is correct
58 Correct 199 ms 1108 KB Output is correct
59 Correct 6 ms 1108 KB Output is correct
60 Correct 6 ms 1108 KB Output is correct
61 Correct 6 ms 1108 KB Output is correct
62 Correct 310 ms 1108 KB Output is correct
63 Correct 226 ms 1024 KB Output is correct
64 Correct 314 ms 1084 KB Output is correct
65 Correct 6 ms 1108 KB Output is correct
66 Correct 242 ms 1084 KB Output is correct
67 Correct 7 ms 980 KB Output is correct
68 Correct 1 ms 468 KB Output is correct
69 Correct 34 ms 780 KB Output is correct
70 Correct 16 ms 904 KB Output is correct
71 Correct 19 ms 852 KB Output is correct
72 Correct 20 ms 948 KB Output is correct
73 Correct 2 ms 596 KB Output is correct
74 Correct 11 ms 852 KB Output is correct
75 Correct 109 ms 1124 KB Output is correct
76 Correct 348 ms 1120 KB Output is correct
77 Correct 450 ms 1112 KB Output is correct
78 Correct 444 ms 1112 KB Output is correct
79 Correct 443 ms 1120 KB Output is correct
80 Correct 7 ms 1236 KB Output is correct
81 Correct 314 ms 1080 KB Output is correct
82 Correct 386 ms 1108 KB Output is correct
83 Correct 208 ms 1108 KB Output is correct
84 Correct 275 ms 1108 KB Output is correct
85 Correct 370 ms 1076 KB Output is correct
86 Correct 269 ms 1108 KB Output is correct
87 Correct 308 ms 1064 KB Output is correct
88 Correct 569 ms 1152 KB Output is correct
89 Correct 359 ms 1072 KB Output is correct
90 Correct 599 ms 1088 KB Output is correct
91 Correct 484 ms 1092 KB Output is correct
92 Correct 535 ms 1108 KB Output is correct
93 Correct 586 ms 1080 KB Output is correct
94 Correct 657 ms 1112 KB Output is correct
95 Correct 575 ms 1088 KB Output is correct
96 Correct 266 ms 1032 KB Output is correct
97 Correct 584 ms 1108 KB Output is correct
98 Correct 686 ms 1080 KB Output is correct
99 Correct 641 ms 1072 KB Output is correct
100 Correct 334 ms 852 KB Output is correct