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Submission #365493

# Submission time Handle Problem Language Result Execution time Memory
365493 2021-02-11T18:12:22 Z denkendoemeer Toy Train (IOI17_train) C++14
100 / 100
 563 ms 1900 KB 
#include<bits/stdc++.h>
#include "train.h"
using namespace std;
bool viz[5005],c[5005];
int nr[5005],f[5005];
vector<int>g[5005],g2[5005];
vector<int> who_wins(vector<int>a,vector<int>r,vector<int>u,vector<int>v)
{
    int i;
    for(i=0;i<u.size();i++){
        g[u[i]].push_back(v[i]);
        g2[v[i]].push_back(u[i]);
    }
    int n=a.size();
    for(i=0;i<n;i++)
        f[i]=1;
    while(1){
        for(i=0;i<n;i++)
            if (f[i]==1){
                viz[i]=0;
                c[i]=0;
                if (a[i]==1)
                    nr[i]=1;
                else
                    nr[i]=g[i].size();
            }
        queue<int>q;
        for(i=0;i<n;i++)
            if (r[i] && f[i]==1)
                q.push(i);
        while(!q.empty()){
            int nod=q.front();
            q.pop();
            if (c[nod]==1)
                continue;
            c[nod]=1;
            for(i=0;i<g2[nod].size();i++){
                int aux=g2[nod][i];
                --nr[aux];
                if (nr[aux]==0 && viz[aux]==0 && f[aux]==1){
                    q.push(aux);
                    viz[aux]=1;
                }
            }
        }
        bool ok=0;
        for(i=0;i<n;i++)
            if (f[i]==1 && viz[i]==0){
                f[i]=0;
                ok=1;
            }
        if (ok==0)
            break;
    }
    vector<int>ans;
    for(i=0;i<n;i++)
        ans.push_back(f[i]);
    return ans;
}

Compilation message

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:10:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |     for(i=0;i<u.size();i++){
      |             ~^~~~~~~~~
train.cpp:37:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |             for(i=0;i<g2[nod].size();i++){
      |                     ~^~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1260 KB Output is correct
2 Correct 9 ms 1260 KB Output is correct
3 Correct 8 ms 1260 KB Output is correct
4 Correct 9 ms 1260 KB Output is correct
5 Correct 9 ms 1260 KB Output is correct
6 Correct 8 ms 1260 KB Output is correct
7 Correct 7 ms 1260 KB Output is correct
8 Correct 7 ms 1260 KB Output is correct
9 Correct 7 ms 1260 KB Output is correct
10 Correct 6 ms 1260 KB Output is correct
11 Correct 5 ms 1260 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 620 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 620 KB Output is correct
4 Correct 1 ms 620 KB Output is correct
5 Correct 1 ms 620 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 640 KB Output is correct
8 Correct 1 ms 620 KB Output is correct
9 Correct 1 ms 620 KB Output is correct
10 Correct 1 ms 620 KB Output is correct
11 Correct 1 ms 620 KB Output is correct
12 Correct 1 ms 620 KB Output is correct
13 Correct 1 ms 620 KB Output is correct
14 Correct 1 ms 620 KB Output is correct
15 Correct 1 ms 620 KB Output is correct
16 Correct 1 ms 620 KB Output is correct
17 Correct 1 ms 620 KB Output is correct
18 Correct 1 ms 620 KB Output is correct
19 Correct 1 ms 620 KB Output is correct
20 Correct 1 ms 620 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 121 ms 1772 KB Output is correct
2 Correct 247 ms 1772 KB Output is correct
3 Correct 320 ms 1772 KB Output is correct
4 Correct 10 ms 1644 KB Output is correct
5 Correct 15 ms 1644 KB Output is correct
6 Correct 12 ms 1644 KB Output is correct
7 Correct 10 ms 1644 KB Output is correct
8 Correct 9 ms 1644 KB Output is correct
9 Correct 8 ms 1644 KB Output is correct
10 Correct 9 ms 1644 KB Output is correct
11 Correct 10 ms 1644 KB Output is correct
12 Correct 8 ms 1644 KB Output is correct
13 Correct 10 ms 1644 KB Output is correct
14 Correct 9 ms 1644 KB Output is correct
15 Correct 9 ms 1644 KB Output is correct
16 Correct 10 ms 1644 KB Output is correct
17 Correct 9 ms 1644 KB Output is correct
18 Correct 368 ms 1388 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1516 KB Output is correct
2 Correct 9 ms 1516 KB Output is correct
3 Correct 10 ms 1644 KB Output is correct
4 Correct 10 ms 1644 KB Output is correct
5 Correct 10 ms 1644 KB Output is correct
6 Correct 11 ms 1772 KB Output is correct
7 Correct 11 ms 1644 KB Output is correct
8 Correct 9 ms 1644 KB Output is correct
9 Correct 10 ms 1644 KB Output is correct
10 Correct 10 ms 1772 KB Output is correct
11 Correct 10 ms 1644 KB Output is correct
12 Correct 10 ms 1644 KB Output is correct
13 Correct 10 ms 1644 KB Output is correct
14 Correct 9 ms 1644 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1644 KB Output is correct
2 Correct 10 ms 1644 KB Output is correct
3 Correct 10 ms 1780 KB Output is correct
4 Correct 10 ms 1644 KB Output is correct
5 Correct 1 ms 620 KB Output is correct
6 Correct 5 ms 1260 KB Output is correct
7 Correct 6 ms 1260 KB Output is correct
8 Correct 6 ms 1388 KB Output is correct
9 Correct 6 ms 1292 KB Output is correct
10 Correct 2 ms 748 KB Output is correct
11 Correct 6 ms 1260 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1260 KB Output is correct
2 Correct 9 ms 1260 KB Output is correct
3 Correct 8 ms 1260 KB Output is correct
4 Correct 9 ms 1260 KB Output is correct
5 Correct 9 ms 1260 KB Output is correct
6 Correct 8 ms 1260 KB Output is correct
7 Correct 7 ms 1260 KB Output is correct
8 Correct 7 ms 1260 KB Output is correct
9 Correct 7 ms 1260 KB Output is correct
10 Correct 6 ms 1260 KB Output is correct
11 Correct 5 ms 1260 KB Output is correct
12 Correct 1 ms 620 KB Output is correct
13 Correct 1 ms 620 KB Output is correct
14 Correct 1 ms 620 KB Output is correct
15 Correct 1 ms 620 KB Output is correct
16 Correct 1 ms 620 KB Output is correct
17 Correct 1 ms 620 KB Output is correct
18 Correct 1 ms 640 KB Output is correct
19 Correct 1 ms 620 KB Output is correct
20 Correct 1 ms 620 KB Output is correct
21 Correct 1 ms 620 KB Output is correct
22 Correct 1 ms 620 KB Output is correct
23 Correct 1 ms 620 KB Output is correct
24 Correct 1 ms 620 KB Output is correct
25 Correct 1 ms 620 KB Output is correct
26 Correct 1 ms 620 KB Output is correct
27 Correct 1 ms 620 KB Output is correct
28 Correct 1 ms 620 KB Output is correct
29 Correct 1 ms 620 KB Output is correct
30 Correct 1 ms 620 KB Output is correct
31 Correct 1 ms 620 KB Output is correct
32 Correct 121 ms 1772 KB Output is correct
33 Correct 247 ms 1772 KB Output is correct
34 Correct 320 ms 1772 KB Output is correct
35 Correct 10 ms 1644 KB Output is correct
36 Correct 15 ms 1644 KB Output is correct
37 Correct 12 ms 1644 KB Output is correct
38 Correct 10 ms 1644 KB Output is correct
39 Correct 9 ms 1644 KB Output is correct
40 Correct 8 ms 1644 KB Output is correct
41 Correct 9 ms 1644 KB Output is correct
42 Correct 10 ms 1644 KB Output is correct
43 Correct 8 ms 1644 KB Output is correct
44 Correct 10 ms 1644 KB Output is correct
45 Correct 9 ms 1644 KB Output is correct
46 Correct 9 ms 1644 KB Output is correct
47 Correct 10 ms 1644 KB Output is correct
48 Correct 9 ms 1644 KB Output is correct
49 Correct 368 ms 1388 KB Output is correct
50 Correct 8 ms 1516 KB Output is correct
51 Correct 9 ms 1516 KB Output is correct
52 Correct 10 ms 1644 KB Output is correct
53 Correct 10 ms 1644 KB Output is correct
54 Correct 10 ms 1644 KB Output is correct
55 Correct 11 ms 1772 KB Output is correct
56 Correct 11 ms 1644 KB Output is correct
57 Correct 9 ms 1644 KB Output is correct
58 Correct 10 ms 1644 KB Output is correct
59 Correct 10 ms 1772 KB Output is correct
60 Correct 10 ms 1644 KB Output is correct
61 Correct 10 ms 1644 KB Output is correct
62 Correct 10 ms 1644 KB Output is correct
63 Correct 9 ms 1644 KB Output is correct
64 Correct 10 ms 1644 KB Output is correct
65 Correct 10 ms 1644 KB Output is correct
66 Correct 10 ms 1780 KB Output is correct
67 Correct 10 ms 1644 KB Output is correct
68 Correct 1 ms 620 KB Output is correct
69 Correct 5 ms 1260 KB Output is correct
70 Correct 6 ms 1260 KB Output is correct
71 Correct 6 ms 1388 KB Output is correct
72 Correct 6 ms 1292 KB Output is correct
73 Correct 2 ms 748 KB Output is correct
74 Correct 6 ms 1260 KB Output is correct
75 Correct 162 ms 1644 KB Output is correct
76 Correct 231 ms 1792 KB Output is correct
77 Correct 331 ms 1772 KB Output is correct
78 Correct 335 ms 1716 KB Output is correct
79 Correct 332 ms 1900 KB Output is correct
80 Correct 10 ms 1644 KB Output is correct
81 Correct 11 ms 1644 KB Output is correct
82 Correct 11 ms 1644 KB Output is correct
83 Correct 14 ms 1644 KB Output is correct
84 Correct 13 ms 1644 KB Output is correct
85 Correct 11 ms 1644 KB Output is correct
86 Correct 16 ms 1772 KB Output is correct
87 Correct 10 ms 1644 KB Output is correct
88 Correct 17 ms 1644 KB Output is correct
89 Correct 11 ms 1644 KB Output is correct
90 Correct 23 ms 1644 KB Output is correct
91 Correct 26 ms 1644 KB Output is correct
92 Correct 44 ms 1644 KB Output is correct
93 Correct 37 ms 1644 KB Output is correct
94 Correct 36 ms 1644 KB Output is correct
95 Correct 43 ms 1644 KB Output is correct
96 Correct 91 ms 1644 KB Output is correct
97 Correct 348 ms 1772 KB Output is correct
98 Correct 510 ms 1772 KB Output is correct
99 Correct 563 ms 1644 KB Output is correct
100 Correct 370 ms 1388 KB Output is correct