Submission #787014

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
787014	2023-07-18 16:29:39	ToniB	Rainforest Jumps (APIO21_jumps)	C++17	100 / 100	1227 ms	64736 KiB

jumps

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#include <bits/stdc++.h>
#include "jumps.h"
#define X first
#define Y second
using namespace std;
const int MAXN = 2e5 + 2;
const int LOG = 18;
const int OFF = 1 << LOG + 1;
int n, nxt[MAXN][LOG], prv[MAXN], prv_max[MAXN][LOG];
int jump[MAXN][LOG], max_reachable[MAXN][LOG];
pair<int, int> tour[OFF];
vector<int> h;
pair<int, int> f(int x, int l, int r, int ql, int qr){
  if(ql > r || l > qr) return {-1, -1};
  if(ql <= l && r <= qr) return tour[x];
  int mid = (l + r) >> 1;
  pair<int, int> L = f(x * 2 + 1, l, mid, ql, qr);
  pair<int, int> R = f(x * 2 + 2, mid + 1, r, ql, qr);
  return max(L, R);
}
void con(int x, int l, int r){
  if(l == r){
    tour[x] = {h[l], l};
    return ;
  }
  int mid = (l + r) >> 1;
  con(x * 2 + 1, l, mid);
  con(x * 2 + 2, mid + 1, r);
 
 
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Compilation message (stderr)

jumps.cpp:8:26: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
    8 | const int OFF = 1 << LOG + 1;
      |                      ~~~~^~~
jumps.cpp: In function 'void init(int, std::vector<int>)':
jumps.cpp:84:70: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   84 |    prv_max[i][j] = max(prv_max[i][j - 1], prv_max[max(0, i - (1 << j - 1))][j - 1]);
      |                                                                    ~~^~~

• Subtask 1: 4 / 4
• Subtask 2: 8 / 8
• Subtask 3: 13 / 13
• Subtask 4: 12 / 12
• Subtask 5: 23 / 23
• Subtask 6: 21 / 21
• Subtask 7: 19 / 19