#include<bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second
// #define int long long
typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;
template<typename T, typename U>
ostream & operator << (ostream &out, const pair<T, U> &c) {
out << c.first << ' ' << c.second;
return out;
}
template<typename T>
ostream & operator << (ostream &out, vector<T> &v) {
const int sz = v.size();
for (int i = 0; i < sz; i++) {
if (i) out << ' ';
out << v[i];
}
return out;
}
template<typename T>
istream & operator >> (istream &in, vector<T> &v) {
for (T &x : v) in >> x;
return in;
}
template<typename T>
void mxx(T &a, T b){if(b > a) a = b;}
template<typename T>
void mnn(T &a, T b){if(b < a) a = b;}
const int mxn = 2e5 + 10, B = 400;
int cnt[500][mxn], in[mxn], out[mxn], tt, kk[mxn], s[mxn], h[mxn];
vector<int> g[mxn], p[mxn], d[mxn];
void dfs(int to) {
in[to] = ++tt;
d[h[to]].pb(in[to]);
for(int x : g[to]) {
dfs(x);
}
out[to] = tt;
}
void solve(int to, int cn, int id) {
cnt[kk[id]][h[to]] += cn;
cn += (h[to] == id);
for(int x : g[to]) {
solve(x, cn, id);
}
cn -= (h[to] == id);
}
void go() {
int n, r, q;
cin >> n >> r >> q;
for(int i = 1; i<= n; i++) {
if(i == 1)
cin >> h[i];
else
cin >> s[i] >> h[i];
p[h[i]].pb(i);
if(i > 1) g[s[i]].pb(i);
}
dfs(1);
// tt = 0;
// for(int i = 1; i <= r; i++) {
// if(p[h[i]].size() >= B) {
// kk[i] = ++tt;
// solve(1, 0, i);
// }
// sort(all(d[i]));
// }
// while(q--) {
// int r1, r2;
// cin >> r1 >> r2;
// if(p[r1].size() >= B) {
// cout << cnt[kk[r1]][r2] << '\n';
// }
// else {
// int ans = 0;
// for(int x : p[r1]) {
// int ll = lower_bound(all(d[r2]), in[x]) - d[r2].begin() - 1;
// int rr = upper_bound(all(d[r2]), out[x]) - d[r2].begin() - 1;
// ans += rr - ll;
// }
// cout << ans << '\n';
// }
// cout.flush();
// }
}
signed main() {
// #ifndef
// freopen("file.in", "r", stdin);
// freopen("file.out", "w", stdout);
// #endif
fast;
int t = 1;
// cin >> t;
while(t--) {
go();
}
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
8 ms |
14416 KB |
Unexpected end of file - int32 expected |
| 2 |
Incorrect |
10 ms |
14416 KB |
Unexpected end of file - int32 expected |
| 3 |
Incorrect |
7 ms |
14416 KB |
Unexpected end of file - int32 expected |
| 4 |
Incorrect |
8 ms |
14416 KB |
Unexpected end of file - int32 expected |
| 5 |
Incorrect |
9 ms |
14416 KB |
Unexpected end of file - int32 expected |
| 6 |
Incorrect |
10 ms |
14432 KB |
Unexpected end of file - int32 expected |
| 7 |
Incorrect |
9 ms |
14404 KB |
Unexpected end of file - int32 expected |
| 8 |
Incorrect |
8 ms |
14544 KB |
Unexpected end of file - int32 expected |
| 9 |
Incorrect |
9 ms |
14820 KB |
Unexpected end of file - int32 expected |
| 10 |
Incorrect |
10 ms |
14992 KB |
Unexpected end of file - int32 expected |
| 11 |
Incorrect |
13 ms |
15312 KB |
Unexpected end of file - int32 expected |
| 12 |
Incorrect |
15 ms |
15696 KB |
Unexpected end of file - int32 expected |
| 13 |
Incorrect |
16 ms |
15536 KB |
Unexpected end of file - int32 expected |
| 14 |
Incorrect |
18 ms |
16116 KB |
Unexpected end of file - int32 expected |
| 15 |
Incorrect |
21 ms |
18052 KB |
Unexpected end of file - int32 expected |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
29 ms |
19068 KB |
Unexpected end of file - int32 expected |
| 2 |
Incorrect |
30 ms |
18120 KB |
Unexpected end of file - int32 expected |
| 3 |
Incorrect |
32 ms |
20668 KB |
Unexpected end of file - int32 expected |
| 4 |
Incorrect |
19 ms |
16208 KB |
Unexpected end of file - int32 expected |
| 5 |
Incorrect |
20 ms |
17384 KB |
Unexpected end of file - int32 expected |
| 6 |
Incorrect |
26 ms |
17456 KB |
Unexpected end of file - int32 expected |
| 7 |
Incorrect |
44 ms |
18464 KB |
Unexpected end of file - int32 expected |
| 8 |
Incorrect |
55 ms |
22700 KB |
Unexpected end of file - int32 expected |
| 9 |
Incorrect |
73 ms |
24100 KB |
Unexpected end of file - int32 expected |
| 10 |
Incorrect |
69 ms |
27964 KB |
Unexpected end of file - int32 expected |
| 11 |
Incorrect |
87 ms |
24392 KB |
Unexpected end of file - int32 expected |
| 12 |
Incorrect |
103 ms |
25704 KB |
Unexpected end of file - int32 expected |
| 13 |
Incorrect |
94 ms |
25596 KB |
Unexpected end of file - int32 expected |
| 14 |
Incorrect |
109 ms |
25696 KB |
Unexpected end of file - int32 expected |
| 15 |
Incorrect |
82 ms |
29160 KB |
Unexpected end of file - int32 expected |
| 16 |
Incorrect |
79 ms |
32520 KB |
Unexpected end of file - int32 expected |
| 17 |
Incorrect |
81 ms |
31792 KB |
Unexpected end of file - int32 expected |
