Submission #70318

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
70318	2018-08-22 15:13:30	gnoor	The Big Prize (IOI17_prize)	C++17	100 / 100	69 ms	2116 KiB

prize

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#include "prize.h"
#include <vector>
#include <algorithm>
#include <cstring>
using namespace std;
int lft[200100];
int rgt[200100];
int _ask(int x) {
  if (lft[x]!=-1) return lft[x]+rgt[x];
  auto res = ask(x);
  lft[x]=res[0];
  rgt[x]=res[1];
  return lft[x]+rgt[x];
}
int mx=-1;
int ans=-1;
bool solve(int l,int r,int sl,int sr) {
  int m=(l+r)>>1;
  int res;
  while (m<=r) {
    res=_ask(m);
    if (res==0) {
      ans=m;
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 80 / 80