0
1
mirror of https://git.sb/baoshuo/OI-codes.git synced 2024-11-27 15:16:28 +00:00

#1693. 【2022.10.25 联考】成语接龙

https://sjzezoj.com/submission/61821
This commit is contained in:
Baoshuo Ren 2022-10-26 08:02:41 +08:00
parent 6d17789bed
commit 5c67779848
Signed by: baoshuo
GPG Key ID: 00CB9680AB29F51A
48 changed files with 224 additions and 0 deletions

83
S2OJ/1693/1693.cpp Normal file
View File

@ -0,0 +1,83 @@
#include <iostream>
#include <algorithm>
#include <vector>
using std::cin;
using std::cout;
const char endl = '\n';
const int N = 2e5 + 5;
int n, m, q, c[N << 1], p[N], ans[N << 1], lst[N];
bool vis[N];
std::vector<int> g[N << 1], circle;
int dfs1(int u) {
if (vis[u]) return u;
vis[u] = true;
return dfs1(p[u]);
}
void dfs2(int u, int f, int d) {
int x = lst[c[u]];
ans[u] = std::min({ans[u], ans[f] + 1, d - x + 1});
lst[c[u]] = d;
for (int v : g[u]) {
if (v == f) continue;
dfs2(v, u, d + 1);
}
lst[c[u]] = x;
}
int main() {
std::ios::sync_with_stdio(false);
cin.tie(nullptr);
cin >> n >> m;
for (int i = 1; i <= n; i++) {
cin >> c[i];
}
for (int i = 1; i <= n; i++) {
cin >> p[i];
}
int root = dfs1(1);
std::fill_n(vis, N, false);
for (int u = p[root]; u != root; u = p[u]) {
circle.emplace_back(u);
}
circle.emplace_back(root);
for (int x : circle) {
vis[x] = true;
c[x + n] = c[x];
}
g[p[root] + n].emplace_back(root);
for (int i = 1; i < circle.size(); i++) {
g[circle[i]].emplace_back(circle[i - 1]);
g[circle[i] + n].emplace_back(circle[i - 1] + n);
}
for (int i = 1; i <= n; i++) {
if (vis[i] && vis[p[i]]) continue;
g[p[i]].emplace_back(i);
}
std::fill_n(ans, N << 1, 0x3f3f3f3f);
ans[root + n] = 1;
dfs2(root + n, 0, 1);
cin >> q;
while (q--) {
int x;
cin >> x;
cout << ans[x] << endl;
}
return 0;
}

BIN
S2OJ/1693/data/ex_idiom1.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/ex_idiom1.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/ex_idiom2.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/ex_idiom2.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/ex_idiom3.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/ex_idiom3.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom1.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom1.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom10.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom10.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom11.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom11.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom12.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom12.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom13.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom13.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom14.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom14.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom15.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom15.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom16.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom16.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom17.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom17.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom18.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom18.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom19.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom19.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom2.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom2.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom20.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom20.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom3.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom3.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom4.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom4.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom5.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom5.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom6.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom6.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom7.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom7.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom8.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom8.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom9.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/idiom9.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
S2OJ/1693/data/problem.conf (Stored with Git LFS) Normal file

Binary file not shown.