Submission #78670

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
78670	2018-10-07 01:50:29	tmwilliamlin168	Deda (COCI17_deda)	C++14	140 / 140	134 ms	6820 KiB

deda

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#include <bits/stdc++.h>
using namespace std;
const int mxN=2e5;
int n, q, a, b, st[1<<19];
char qt;
void upd(int l1, int x, int i=1, int l2=0, int r2=n-1) {
  st[i]=min(x, st[i]);
  if(l2==r2)
    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);
}
int qry(int l1, int x, int i=1, int l2=0, int r2=n-1) {
  if(st[i]>x)
    return -2;
  if(l2==r2)
    return l2;
  int m2=(l2+r2)/2;
  int r=-2;
  if(l1<=m2)
    r=qry(l1, x, 2*i, l2, m2);
  if(r==-2)
    r=qry(l1, x, 2*i+1, m2+1, r2);
  return r;
 
 
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• Subtask 1: 140 / 140