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Submission #968446

# Submission time Handle Problem Language Result Execution time Memory
968446 2024-04-23T12:33:22 Z maxFedorchuk Stranded Far From Home (BOI22_island) C++17
100 / 100
 91 ms 17084 KB 
#include <bits/stdc++.h>
using namespace std;

const long long MX=2e5+10;
long long s[MX],ld[MX],ans[MX],sm[MX];

int get_ld(int zar)
{
    if(zar==ld[zar])
    {
        return zar;
    }

    int o=get_ld(ld[zar]);
    ans[zar]=min(ans[zar],ans[ld[zar]]);

    ld[zar]=o;
    return ld[zar];
}

void adrb(int a,int b)
{
    a=get_ld(a);
    b=get_ld(b);

    if(a==b)
    {
        return;
    }

    if(sm[a]<s[b])
    {
        ans[a]=0;
    }

    sm[b]+=sm[a];
    ld[a]=b;
}

int main()
{
    cin.tie(0);
    ios_base::sync_with_stdio(0);

    int n,m;
    cin>>n>>m;

    for(int i=1;i<=n;i++)
    {
        cin>>s[i];
        ld[i]=i;
        ans[i]=1;
        sm[i]=s[i];
    }

    vector < pair < int , pair < int , int > > > ms;
    for(int i=1;i<=m;i++)
    {
        int a,b;
        cin>>a>>b;

        if(s[a]>s[b])
        {
            swap(a,b);
        }

        ms.push_back({s[b],{a,b}});
    }

    sort(ms.begin(),ms.end());

    for(auto u:ms)
    {
        adrb(u.second.first,u.second.second);
    }

    for(int i=1;i<=n;i++)
    {
        get_ld(i);
        cout<<ans[i];
    }

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4568 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4584 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4596 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4580 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4700 KB Output is correct
14 Correct 2 ms 4444 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 75 ms 13676 KB Output is correct
4 Correct 69 ms 14056 KB Output is correct
5 Correct 71 ms 13516 KB Output is correct
6 Correct 75 ms 14792 KB Output is correct
7 Correct 73 ms 15048 KB Output is correct
8 Correct 87 ms 14024 KB Output is correct
9 Correct 71 ms 14020 KB Output is correct
10 Correct 64 ms 13824 KB Output is correct
11 Correct 70 ms 16096 KB Output is correct
12 Correct 74 ms 13744 KB Output is correct
13 Correct 64 ms 15292 KB Output is correct
14 Correct 69 ms 15552 KB Output is correct
15 Correct 70 ms 14276 KB Output is correct
16 Correct 50 ms 12928 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 76 ms 14544 KB Output is correct
3 Correct 76 ms 13628 KB Output is correct
4 Correct 78 ms 17084 KB Output is correct
5 Correct 73 ms 14348 KB Output is correct
6 Correct 75 ms 14284 KB Output is correct
7 Correct 68 ms 14360 KB Output is correct
8 Correct 68 ms 15044 KB Output is correct
9 Correct 60 ms 14116 KB Output is correct
10 Correct 75 ms 16296 KB Output is correct
11 Correct 69 ms 13760 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 89 ms 13592 KB Output is correct
3 Correct 86 ms 14020 KB Output is correct
4 Correct 87 ms 14868 KB Output is correct
5 Correct 80 ms 13756 KB Output is correct
6 Correct 80 ms 13584 KB Output is correct
7 Correct 74 ms 16188 KB Output is correct
8 Correct 63 ms 14020 KB Output is correct
9 Correct 64 ms 10704 KB Output is correct
10 Correct 70 ms 12752 KB Output is correct
11 Correct 83 ms 13616 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4568 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4584 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 2 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4596 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4580 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4700 KB Output is correct
14 Correct 2 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 75 ms 13676 KB Output is correct
18 Correct 69 ms 14056 KB Output is correct
19 Correct 71 ms 13516 KB Output is correct
20 Correct 75 ms 14792 KB Output is correct
21 Correct 73 ms 15048 KB Output is correct
22 Correct 87 ms 14024 KB Output is correct
23 Correct 71 ms 14020 KB Output is correct
24 Correct 64 ms 13824 KB Output is correct
25 Correct 70 ms 16096 KB Output is correct
26 Correct 74 ms 13744 KB Output is correct
27 Correct 64 ms 15292 KB Output is correct
28 Correct 69 ms 15552 KB Output is correct
29 Correct 70 ms 14276 KB Output is correct
30 Correct 50 ms 12928 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 76 ms 14544 KB Output is correct
33 Correct 76 ms 13628 KB Output is correct
34 Correct 78 ms 17084 KB Output is correct
35 Correct 73 ms 14348 KB Output is correct
36 Correct 75 ms 14284 KB Output is correct
37 Correct 68 ms 14360 KB Output is correct
38 Correct 68 ms 15044 KB Output is correct
39 Correct 60 ms 14116 KB Output is correct
40 Correct 75 ms 16296 KB Output is correct
41 Correct 69 ms 13760 KB Output is correct
42 Correct 1 ms 4444 KB Output is correct
43 Correct 89 ms 13592 KB Output is correct
44 Correct 86 ms 14020 KB Output is correct
45 Correct 87 ms 14868 KB Output is correct
46 Correct 80 ms 13756 KB Output is correct
47 Correct 80 ms 13584 KB Output is correct
48 Correct 74 ms 16188 KB Output is correct
49 Correct 63 ms 14020 KB Output is correct
50 Correct 64 ms 10704 KB Output is correct
51 Correct 70 ms 12752 KB Output is correct
52 Correct 83 ms 13616 KB Output is correct
53 Correct 1 ms 4444 KB Output is correct
54 Correct 1 ms 4564 KB Output is correct
55 Correct 1 ms 4444 KB Output is correct
56 Correct 2 ms 4636 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 1 ms 4444 KB Output is correct
59 Correct 1 ms 4444 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 1 ms 4444 KB Output is correct
62 Correct 1 ms 4444 KB Output is correct
63 Correct 1 ms 4580 KB Output is correct
64 Correct 2 ms 4444 KB Output is correct
65 Correct 1 ms 4700 KB Output is correct
66 Correct 3 ms 4444 KB Output is correct
67 Correct 70 ms 13644 KB Output is correct
68 Correct 73 ms 14548 KB Output is correct
69 Correct 68 ms 14088 KB Output is correct
70 Correct 91 ms 14280 KB Output is correct
71 Correct 73 ms 14540 KB Output is correct
72 Correct 85 ms 14576 KB Output is correct
73 Correct 72 ms 13672 KB Output is correct
74 Correct 67 ms 13776 KB Output is correct
75 Correct 67 ms 15900 KB Output is correct
76 Correct 73 ms 12740 KB Output is correct
77 Correct 67 ms 15584 KB Output is correct
78 Correct 65 ms 15548 KB Output is correct
79 Correct 69 ms 15072 KB Output is correct
80 Correct 50 ms 13020 KB Output is correct
81 Correct 76 ms 14020 KB Output is correct
82 Correct 76 ms 14956 KB Output is correct
83 Correct 73 ms 17028 KB Output is correct
84 Correct 64 ms 14216 KB Output is correct
85 Correct 77 ms 13756 KB Output is correct
86 Correct 71 ms 14788 KB Output is correct
87 Correct 68 ms 14536 KB Output is correct
88 Correct 71 ms 16184 KB Output is correct
89 Correct 67 ms 13760 KB Output is correct
90 Correct 89 ms 14768 KB Output is correct
91 Correct 84 ms 14784 KB Output is correct
92 Correct 84 ms 15048 KB Output is correct
93 Correct 85 ms 13756 KB Output is correct
94 Correct 81 ms 14748 KB Output is correct
95 Correct 77 ms 16320 KB Output is correct
96 Correct 62 ms 14036 KB Output is correct
97 Correct 64 ms 10692 KB Output is correct
98 Correct 76 ms 12220 KB Output is correct
99 Correct 70 ms 13192 KB Output is correct
100 Correct 55 ms 9932 KB Output is correct
101 Correct 87 ms 14528 KB Output is correct
102 Correct 77 ms 12404 KB Output is correct
103 Correct 87 ms 13692 KB Output is correct
104 Correct 88 ms 14792 KB Output is correct