Nu aveti permisiuni pentru a descarca fisierul grader_test14.in
Cod sursa(job #3289920)
Utilizator | Data | 29 martie 2025 10:35:06 | |
---|---|---|---|
Problema | Stramosi | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.87 kb |
#include<bits/stdc++.h>
using namespace std;
const int NMAX = 25e4 + 5;
int n, m, rasp[NMAX], tata[NMAX];
vector<pair<int, int>> q[NMAX];
vector<int> st, v[NMAX];
void dfs(int node)
{
st.push_back(node);
for(auto u : q[node])
{
rasp[u.second] = st[st.size() - u.first - 1];
}
for(auto u : v[node])
{
dfs(u);
}
st.pop_back();
}
int main()
{
freopen("stramosi.in", "r", stdin);
freopen("stramosi.out", "w", stdout);
cin >> n >> m;
int x, y;
for(int i = 1; i <= n; i++)
{
cin >> tata[i];
v[tata[i]].push_back(i);
}
for(int i = 1; i <= m; i++)
{
cin >> x >> y;
q[x].push_back({y, i});
}
for(int i = 1; i <= n; i++)
if(tata[i] == 0)
dfs(i);
for(int i = 1; i <= m; i++)
cout << rasp[i] << "\n";
}