func_code_string: #include <bits/stdc++.h>   #pragma GCC optimize( O3 )   using namespace std;   int n, k;   double h;   struct lms {     int i, m, v;   } a[100005];   int pos[100005];   inline int put(double t) {     int ptr = 1;     for (int i = 0; i < n; ++i) {       if ((double)ptr <= t * a[i].v) {         pos[ptr] = a[i].i;         ++ptr;       }     }     return ptr - 1;   }   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cin >> n >> k >> h;     for (int i = 0; i < n; ++i) a[i].i = i + 1;     for (int i = 0; i < n; ++i) cin >> a[i].m;     for (int i = 0; i < n; ++i) cin >> a[i].v;     sort(a, a + n, [](const lms &a, const lms &b) {       return a.m == b.m ? a.v < b.v : a.m < b.m;     });     double L = 0, R = 1e9, A = R;     int t = 90;     while (t--) {       double M = (L + R) / 2;       if (put(M) >= k)         R = A = M;       else         L = M;     }     put(A);     for (int i = 1; i <= k; ++i) cout << pos[i] <<    ;     cout << endl;   }   