Submission #514573

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
514573	2022-01-18 09:41:09	amunduzbaev	Bulldozer (JOI17_bulldozer)	C++14	80 / 100	1545 ms	66280 KiB

bulldozer

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#include "bits/stdc++.h"
using namespace std;
 
#define ar array
#define int long long
 
const int N = 2005;
long double const eps = 1e-14;
 
struct ST{
  ar<int, 4> tree[N * 4];
  void merge(ar<int, 4>& x, ar<int, 4>& a, ar<int, 4>& b){
    x[0] = max({a[0], b[0], a[2] + b[1]});
    x[1] = max({a[1], a[3] + b[1]});
    x[2] = max({b[2], b[3] + a[2]});
    x[3] = a[3] + b[3];
  }
  
  void sett(int i, int v, int lx = 0, int rx = N, int x = 1){
    if(lx == rx){ 
      tree[x] = {max(v, 0ll), max(v, 0ll), max(v, 0ll), v}; return;
    } int m = (lx + rx) >> 1;
    if(i <= m) sett(i, v, lx, m, x<<1);
    else sett(i, v, m+1, rx, x<<1|1);
    merge(tree[x], tree[x<<1], tree[x<<1|1]);
  }
  
  int get(int i, int lx = 0, int rx = N, int x = 1){
    if(lx == rx) return tree[x][3];
    int m = (lx + rx) >> 1;
 
 
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Compilation message (stderr)

bulldozer.cpp: In function 'int main()':
bulldozer.cpp:88:9: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   88 |    auto [i, j] = tt[k].second; k++;
      |         ^

• Subtask 1: 5 / 5
• Subtask 2: 20 / 20
• Subtask 3: 35 / 35
• Subtask 4: 20 / 20
• Subtask 5: 0 / 20