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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#859083 | #9677. 基础博弈练习题 | HuTao | 0 | 255ms | 113440kb | C++14 | 2.5kb | 2025-01-17 14:48:46 | 2025-01-17 14:48:47 |
Judging History
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
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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%