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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#859083#9677. 基础博弈练习题HuTao0 255ms113440kbC++142.5kb2025-01-17 14:48:462025-01-17 14:48:47

Judging History

This is the latest submission verdict.

  • [2025-01-17 14:48:47]
  • Judged
  • Verdict: 0
  • Time: 255ms
  • Memory: 113440kb
  • [2025-01-17 14:48:46]
  • Submitted

answer

#include <bits/stdc++.h>

using namespace std;

const int N = 1e6 + 5, M = 5e6 + 5;

int n, m, k;
int a[N], b[N], pos[N];
int la[N], h[N], ne[M], en[M], idx;
int dfn[N], low[N], dfst;
int sta[N], insta[N], tt;
int scc, bel[N], siz[N], mp[N];
vector<int> col[N];
int g[N], vis[N];

inline void Add(int la[], int a, int b)
{
    ne[ ++ idx] = la[a];
    la[a] = idx;
    en[idx] = b;
}
inline void Tarjan(int u)
{
    dfn[u] = low[u] = ++ dfst;
    insta[sta[ ++ tt] = u] = 1;
    for(int i = la[u]; i; i = ne[i])
    {
        int v = en[i];
        if(!dfn[v])
        {
            Tarjan(v);
            low[u] = min(low[u], low[v]);
        }
        else if(insta[v])
        {
            low[u] = min(low[u], dfn[v]);
        }
    }
    if(low[u] == dfn[u])
    {
        scc ++ ;
        mp[scc] = k + 1;
        int v;
        do{
            insta[v = sta[tt -- ]] = 0;
            bel[v] = scc;
            siz[scc] ++ ;
            if(!vis[a[v]])
            {
                col[scc].push_back(a[v]);
                vis[a[v]] = 1;
                mp[scc] = min(mp[scc], pos[a[v]]);
            }
        }while(v != u);
        for(int i : col[scc]) vis[i] = 0;
    }
}
inline void DP()
{
    for(int u = 1; u <= n; u ++ )
        for(int i = la[u]; i; i = ne[i])
        {
            int v = en[i];
            if(bel[u] != bel[v]) Add(h, bel[u], bel[v]);
        }
    for(int u = 1; u <= scc; u ++ )
    {
        g[u] = k + 1;
        for(int i = h[u]; i; i = ne[i])
        {
            int v = en[i];
            g[u] = min(g[u], g[v]);
            if(mp[v] + 1 < g[v]) g[u] = min(g[u], mp[v]);
        }
        if(siz[u] > 1 && mp[u] < g[u])
        {
            for(int i : col[u]) vis[i] = 1;
            int x = mp[u], y = x;
            while(y < g[u] - 2 && vis[b[y + 1]]) y ++ ;
            g[u] = min(g[u], x + ((y - x) & 1));
            for(int i : col[u]) vis[i] = 0;
        }
    }
}

int main()
{
    scanf("%d%d%d", &n, &m, &k);
    for(int i = 1; i <= n; i ++ ) scanf("%d", &a[i]);
    for(int i = 1; i <= k; i ++ ) scanf("%d", &b[i]), !pos[b[i]] && (pos[b[i]] = i);
    for(int i = 1; i <= m; i ++ )
    {
        int a, b;
        scanf("%d%d", &a, &b);
        Add(la, a, b);
    }
    for(int i = 1; i <= n; i ++ )
        if(!dfn[i])
            Tarjan(i);
    DP();
    for(int i = 1; i <= n; i ++ ) printf("%d ", g[bel[i]] <= k ? g[bel[i]] - 1 : -1);
    puts("");
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 3ms
memory: 44912kb

input:

83 93 13
8 9 10 7 7 7 6 3 1 10 6 2 5 7 1 3 4 2 1 10 7 4 8 9 2 2 1 9 2 5 1 7 8 6 1 9 9 10 4 1 2 9 2 3 4 2 9 10 8 1 4 1 8 4 1 4 4 7 4 8 2 9 2 5 2 2 3 3 8 5 2 9 3 10 8 8 1 6 6 1 6 7 10
7 5 10 3 2 2 7 4 8 7 6 6 5
56 36
33 41
32 62
37 7
6 53
41 13
9 36
44 77
38 62
76 16
72 5
40 13
55 60
5 78
72 45
13 44
...

output:

-1 -1 -1 -1 -1 -1 -1 7 -1 -1 -1 -1 -1 -1 1 -1 -1 -1 -1 -1 -1 -1 -1 2 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 3 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 8 -1 -1 -1 -1 -1 -1 3 4 -1 3 -1 3 -1 -1 -1 -1 -1 

result:

wrong answer 1st numbers differ - expected: '0', found: '-1'

Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Wrong Answer

Test #6:

score: 30
Accepted
time: 52ms
memory: 56152kb

input:

100000 355071 10000
5 7 4 7 4 1 10 5 9 4 9 4 3 10 5 4 9 1 7 10 1 6 10 3 10 9 8 4 6 3 10 8 6 8 3 5 10 9 7 7 1 3 8 8 6 2 8 4 2 9 1 10 3 6 3 8 9 10 5 7 3 2 1 5 7 4 3 4 6 4 2 7 2 5 5 6 4 6 7 4 4 6 4 2 3 9 9 9 10 8 1 6 7 2 9 8 2 3 1 6 9 4 10 3 10 1 2 3 3 4 1 1 1 5 8 6 8 3 1 6 2 9 5 9 4 7 2 10 7 5 2 2 7 4...

output:

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

result:

ok 100000 numbers

Test #7:

score: 30
Accepted
time: 47ms
memory: 60544kb

input:

100000 300561 10000
6 3 6 10 10 9 7 3 6 4 5 4 1 2 3 2 10 6 3 7 8 7 10 5 9 10 2 3 9 5 6 10 9 1 4 9 1 10 7 2 9 10 5 5 9 3 5 5 5 9 9 5 1 7 5 10 8 6 8 4 5 9 2 10 1 6 4 10 10 9 2 1 10 1 9 5 3 2 9 3 4 8 10 7 5 2 4 5 3 6 9 7 5 10 2 7 4 7 10 8 1 7 7 1 7 7 6 6 7 1 5 4 6 2 1 8 6 10 6 10 1 5 8 4 6 2 10 6 10 4 ...

output:

0 4 0 0 3 0 0 4 0 0 0 0 0 0 0 0 0 0 1 0 0 1 7 0 1 2 0 0 0 0 4 0 0 1 0 0 0 2 0 0 0 3 0 0 1 0 0 0 3 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 1 0 9 0 0 0 2 0 3 1 0 2 1 0 0 0 2 0 0 0 0 0 0 3 0 0 0 0 0 2 2 0 0 1 0 0 0 0 0 1 0 0 1 0 2 0 6 0 0 1 5 0 0 3 0 0 1 2 0 2 3 0 0 2 0 1 1 9 0 2 5 2 0 2 1 3 1 6 4 0 0 1 0 2 1 0 ...

result:

ok 100000 numbers

Test #8:

score: 0
Wrong Answer
time: 255ms
memory: 113440kb

input:

500000 1770902 50000
4 7 2 3 6 10 8 2 2 6 2 3 3 7 3 1 5 2 1 10 2 6 3 4 2 8 10 6 6 10 9 3 3 2 9 10 4 5 3 9 7 10 4 3 6 6 4 9 4 4 4 1 9 5 6 10 3 7 5 8 10 1 6 5 1 7 9 10 2 4 6 9 6 2 2 8 4 7 9 1 9 4 6 4 6 3 9 2 2 1 1 1 8 3 10 10 2 2 5 15 20 18 17 15 12 11 11 11 11 12 13 19 18 20 15 11 11 20 10 14 13 14 1...

output:

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...

result:

wrong answer 1st numbers differ - expected: '0', found: '-1'

Subtask #4:

score: 0
Skipped

Dependency #3:

0%

Subtask #5:

score: 0
Skipped

Dependency #4:

0%