Pagini recente » Cod sursa (job #1300282) | Cod sursa (job #2043797) | Cod sursa (job #2321617) | Cod sursa (job #2987603) | Cod sursa (job #2321620)
#include <fstream>
int mat[25][250001];
int main() {
std::ifstream is{"stramosi.in"};
int n, m;
is >> n >> m;
for (auto i = 1; i <= n; ++i)
is >> mat[0][i];
for (auto k = 1; (1 << k) <= n; ++k)
for (auto j = 1; j <= n; ++j)
mat[k][j] = mat[k - 1][mat[k - 1][j]];
std::ofstream os{"stramosi.out"};
while (m--) {
int q, p, exp{};
is >> q >> p;
while (p) {
if (p & 1)
q = mat[exp][q];
++exp;
p >>= 1;
}
os << q << '\n';
}
}