Submission #200542

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
200542	2020-02-07 06:36:23	a1_N	Bigger segments (IZhO19_segments)	C++17	37 / 100	1593 ms	148932 KiB

segments

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#include <bits/stdc++.h>
#define F first
#define S second
using namespace std;
const int N = 5e5 + 5;
const long long M = (long long)1e15;
int n,a[N];
long long pref[N];
pair<int,long long> dp[N];
unordered_map< long long,pair<int,long long> > t;
void upd(long long pos,pair<long long,long long> val,long long v = 1,long long tl = 1,long long tr = M){
  if(tl == tr){
    t[v] = val;
    return;
  } 
  long long tm = (tl + tr) >> 1;
  if(pos <= tm) upd(pos,val,v << 1,tl,tm);
  else upd(pos,val,v << 1 | 1,tm + 1,tr);
  t[v] = max(t[v << 1],t[v << 1 | 1]);
}
pair<int,long long> get(long long l,long long r,long long v = 1,long long tl = 1,long long tr = M){
 
 
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Compilation message (stderr)

segments.cpp: In function 'int main()':
segments.cpp:39:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
segments.cpp:41:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
   ~~~~~^~~~~~~~~~~~

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 0 / 36
• Subtask 5: 0 / 27