Pagini recente » Cod sursa (job #315361) | Cod sursa (job #2390360) | Cod sursa (job #1803494) | Cod sursa (job #575419) | Cod sursa (job #2664395)
//ALEXANDRU MICLEA
#include <vector>
#include <algorithm>
#include <string>
#include <queue>
#include <map>
#include <set>
#include <unordered_map>
#include <time.h>
#include <iomanip>
#include <deque>
#include <math.h>
#include <cmath>
#include <assert.h>
#include <stack>
#include <bitset>
#include <random>
#include <chrono>
#include <assert.h>
using namespace std;
#include <fstream>
//ifstream cin("input.in"); ofstream cout("output.out");
ifstream cin("stramosi.in"); ofstream cout("stramosi.out");
//VARIABLES
const int MAXN = 250005;
int st[25][MAXN];
int LOG[MAXN];
//FUNCTIONS
//MAIN
int main() {
int n, m;
cin >> n >> m;
for (int i = 2; i <= n; i++) LOG[i] = LOG[i / 2] + 1;
for (int i = 1; i <= n; i++) cin >> st[0][i];
for (int p = 1; p <= LOG[n]; p++) {
for (int i = 1; i <= n; i++) {
st[p][i] = st[p - 1][st[p - 1][i]];
}
}
for (int i = 1; i <= m; i++) {
int nod, rang;
cin >> nod >> rang;
while (rang) {
nod = st[LOG[rang]][nod];
rang -= (1 << LOG[rang]);
}
cout << nod << '\n';
}
return 0;
}