// IamHereForFun //
#include <bits/stdc++.h>
using namespace std;
#define LSOne(X) ((X) & -(X))
const int N = 2e5 + 5;
const int M = 1e2 + 5;
const int C = 26;
const int LG = 20;
const int R = 25e3 + 5;
const int B = 450;
const int INF = 1e9 + 5;
const int MOD = 1e9 + 7;
int n, r, q, home[N], ans[R][R];
vector<int> adj[N];
map<int, int> mp[N];
void dfs(int c)
{
mp[c][home[c]]++;
for (int i : adj[c])
{
dfs(i);
if (mp[c].size() < mp[i].size())
swap(mp[c], mp[i]);
for (pair<int, int> p : mp[i])
{
mp[c][p.first] += p.second;
}
}
for (int x = 1; x <= r; x++)
{
ans[home[c]][x] += mp[c][x];
}
}
void solve()
{
cin >> n >> r >> q;
cin >> home[1];
for (int x = 2; x <= n; x++)
{
int i;
cin >> i;
adj[i].push_back(x);
cin >> home[x];
}
dfs(1);
for (int x = 0; x < q; x++)
{
int r1, r2;
cin >> r1 >> r2;
cout << ans[r1][r2] << endl;
}
}
signed main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t = 1;
// cin >> t;
for (int x = 1; x <= t; x++)
{
solve();
}
return 0;
}
Compilation message (stderr)
/usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(ios_init.o): in function `std::ios_base::Init::Init()':
(.text._ZNSt8ios_base4InitC2Ev+0x1c): failed to convert GOTPCREL relocation against '_ZNSt8ios_base4Init11_S_refcountE'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x60): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(globals_io.o)
(.text._ZNSt8ios_base4InitC2Ev+0x67): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(globals_io.o)
(.text._ZNSt8ios_base4InitC2Ev+0x72): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(globals_io.o)
(.text._ZNSt8ios_base4InitC2Ev+0x87): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(globals_io.o)
(.text._ZNSt8ios_base4InitC2Ev+0x92): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(globals_io.o)
(.text._ZNSt8ios_base4InitC2Ev+0xa7): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(globals_io.o)
(.text._ZNSt8ios_base4InitC2Ev+0xb2): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(globals_io.o)
(.text._ZNSt8ios_base4InitC2Ev+0xc1): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(globals_io.o)
(.text._ZNSt8ios_base4InitC2Ev+0xd4): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cin_sync' defined in .bss._ZN14__gnu_internal12buf_cin_syncE section in /usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(globals_io.o)
(.text._ZNSt8ios_base4InitC2Ev+0xdb): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/11/libstdc++.a(globals_io.o)
(.text._ZNSt8ios_base4InitC2Ev+0xe2): additional relocation overflows omitted from the output
(.text._ZNSt8ios_base4InitC2Ev+0x1c6): failed to convert GOTPCREL relocation against '_ZSt4cout'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x260): failed to convert GOTPCREL relocation against '_ZSt3cin'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x2e2): failed to convert GOTPCREL relocation against '_ZSt4cerr'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x353): failed to convert GOTPCREL relocation against '_ZSt4clog'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x541): failed to convert GOTPCREL relocation against '_ZSt5wcout'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x5e5): failed to convert GOTPCREL relocation against '_ZSt4wcin'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x670): failed to convert GOTPCREL relocation against '_ZSt5wcerr'; relink with --no-relax
(.text._ZNSt8ios_base4InitC2Ev+0x6e9): failed to convert GOTPCREL relocation against '_ZSt5wclog'; relink with --no-relax
/usr/bin/ld: final link failed
collect2: error: ld returned 1 exit status