/**
____ ____ ____ __________________ ____ ____ ____
||I || ||c || ||e || || || ||M || ||a || ||n ||
||__|| ||__|| ||__|| ||________________|| ||__|| ||__|| ||__||
|/__\| |/__\| |/__\| |/________________\| |/__\| |/__\| |/__\|
*/
#include <iostream>
#include <chrono>
#include <vector>
#include <algorithm>
#include <cmath>
#include <map>
#define maxn 200005
#define maxlog 20
#define INF 1000000010
#define LINF 1000000000000000005
#define endl '\n'
#define pb(x) push_back(x)
#define X first
#define Y second
#define control cout<<"passed"<<endl;
using namespace std;
typedef long long ll;
typedef pair <ll , ll> pll;
typedef pair <int , int> pii;
typedef long double ld;
typedef unsigned long long ull;
map <int , int> br[maxn];
int n , r , q;
vector <int> v[maxn];
int color[maxn];
void dfs(int node , int par)
{
for(auto& nb : v[node])
{
if(nb == par)
continue;
dfs(nb , node);
br[node][color[nb]]++;
for(auto& e : br[nb])
br[node][e.X] += e.Y;
}
}
void read()
{
cin >> n >> r >> q;
for(int i = 1; i <= n; i++)
{
if(i == 1)
{
cin >> color[i];
continue;
}
int x;
cin >> x >> color[i];
v[x].pb(i);
v[i].pb(x);
}
dfs(1 , 0);
int x , y;
for(int i = 1; i <= q; i++)
{
cin >> x >> y;
int ans = 0;
for(int i = 1; i <= n; i++)
if(color[i] == x)
ans += br[i][y];
cout << ans << endl;
cout.flush();
}
}
int main()
{
/**#ifdef ONLINE_JUDGE
freopen("input.in", "r", stdin);
freopen("output.out", "w", stdout);
#endif*/
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
///startT = std::chrono::high_resolution_clock::now();
read();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
14936 KB |
Output is correct |
2 |
Correct |
4 ms |
14936 KB |
Output is correct |
3 |
Correct |
4 ms |
14936 KB |
Output is correct |
4 |
Correct |
6 ms |
15192 KB |
Output is correct |
5 |
Correct |
8 ms |
15640 KB |
Output is correct |
6 |
Correct |
30 ms |
22104 KB |
Output is correct |
7 |
Correct |
35 ms |
17484 KB |
Output is correct |
8 |
Correct |
45 ms |
19792 KB |
Output is correct |
9 |
Correct |
241 ms |
82540 KB |
Output is correct |
10 |
Correct |
185 ms |
34120 KB |
Output is correct |
11 |
Correct |
414 ms |
67688 KB |
Output is correct |
12 |
Runtime error |
202 ms |
131072 KB |
Execution killed with signal 9 |
13 |
Correct |
569 ms |
65108 KB |
Output is correct |
14 |
Correct |
1136 ms |
120096 KB |
Output is correct |
15 |
Runtime error |
154 ms |
131072 KB |
Execution killed with signal 9 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
161 ms |
131072 KB |
Execution killed with signal 9 |
2 |
Runtime error |
209 ms |
131072 KB |
Execution killed with signal 9 |
3 |
Runtime error |
181 ms |
131072 KB |
Execution killed with signal 9 |
4 |
Runtime error |
186 ms |
131072 KB |
Execution killed with signal 9 |
5 |
Runtime error |
180 ms |
131072 KB |
Execution killed with signal 9 |
6 |
Runtime error |
204 ms |
131072 KB |
Execution killed with signal 9 |
7 |
Runtime error |
230 ms |
131072 KB |
Execution killed with signal 9 |
8 |
Runtime error |
190 ms |
131072 KB |
Execution killed with signal 9 |
9 |
Runtime error |
237 ms |
131072 KB |
Execution killed with signal 9 |
10 |
Runtime error |
223 ms |
131072 KB |
Execution killed with signal 9 |
11 |
Runtime error |
228 ms |
131072 KB |
Execution killed with signal 9 |
12 |
Runtime error |
211 ms |
131072 KB |
Execution killed with signal 9 |
13 |
Runtime error |
261 ms |
131072 KB |
Execution killed with signal 9 |
14 |
Runtime error |
244 ms |
131072 KB |
Execution killed with signal 9 |
15 |
Runtime error |
266 ms |
131072 KB |
Execution killed with signal 9 |
16 |
Runtime error |
209 ms |
131072 KB |
Execution killed with signal 9 |
17 |
Runtime error |
249 ms |
131072 KB |
Execution killed with signal 9 |