Submission #590327

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
590327	2022-07-05 20:38:40	Soumya1	Sky Walking (IOI19_walk)	C++17	24 / 100	4089 ms	797232 KiB

walk

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#include "walk.h"
#include <bits/stdc++.h>
#ifdef __LOCAL__
  #include <debug_local.h>
#endif
using namespace std;
template<typename T, class F = function<T(const T&, const T&)>>
struct SparseTable {
  vector<vector<T>> v;
  F f;
  SparseTable() { };
  SparseTable(vector<T> a, F _f) : f(_f) {
    int n = (int) a.size();
    a.resize(n);
    int lg = 32 - __builtin_clz(n);
    v.resize(lg);
    v[0] = a;
    for (int j = 1; j < lg; j++) {
      v[j].resize(n - (1 << j) + 1);
      for (int i = 0; i <= n - (1 << j); i++) {
        v[j][i] = f(v[j - 1][i], v[j - 1][i + (1 << (j - 1))]);
      }
    }
  }
  T query(int l, int r) {
    int lg = 31 - __builtin_clz(r - l + 1);
    return f(v[lg][l], v[lg][r - (1 << lg) + 1]);
  }
};
const int mxN = 5e6 + 5;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 14 / 14
• Subtask 3: 0 / 15
• Subtask 4: 0 / 18
• Subtask 5: 0 / 43