Submission #77365

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
77365	2018-09-26 13:13:21	tmwilliamlin168	Bulldozer (JOI17_bulldozer)	C++14	100 / 100	911 ms	94584 KiB

bulldozer

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int mxN=2e3;
int n, p[mxN], l[mxN];
ll x[mxN], y[mxN], w[mxN], ans;
array<ll, 4> st[1<<12];
array<ll, 6> ss[mxN*(mxN-1)/2];
void upd(int l1, ll x, int i=1, int l2=0, int r2=n-1) {
  if(l2==r2) {
    st[i]={x, max(x, 0ll), max(x, 0ll), max(x, 0ll)};
    return;
  }
  int m2=(l2+r2)/2;
  if(l1<=m2)
    upd(l1, x, 2*i, l2, m2);
  else
    upd(l1, x, 2*i+1, m2+1, r2);
  st[i]={st[2*i][0]+st[2*i+1][0], max(st[2*i][1], st[2*i][0]+st[2*i+1][1]), max(st[2*i+1][2], st[2*i+1][0]+st[2*i][2]), max({st[2*i][3], st[2*i+1][3], st[2*i][2]+st[2*i+1][1]})};
}
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  
  cin >> n;
  for(int i=0; i<n; ++i) {
 
 
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Compilation message (stderr)

bulldozer.cpp: In function 'int main()':
bulldozer.cpp:36:35: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if(i!=j&&(x[i]<x[j]||x[i]==x[j]&&y[i]>y[j]))
                         ~~~~~~~~~~^~~~~~~~~~~

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