Submission #45089

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
45089	2018-04-11 07:57:49	nibnalin	Divide and conquer (IZhO14_divide)	C++17	100 / 100	471 ms	176768 KiB

divide

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#include <iostream>
#include <cstdio>
#include <vector>
using namespace std;
typedef long long int lli;
const lli maxn = lli(1e5)+5, inf = lli(1e16)+5, maxv = lli(1e16)+10, offset = lli(1e16)+5;
lli x[maxn], g[maxn], d[maxn];
struct ppnode {
  lli val;
  ppnode *l, *r;
  ppnode(lli _val = inf, ppnode* _l = NULL, ppnode* _r = NULL)
  {
    val = _val, l = _l, r = _r;
  }
};
typedef ppnode* pnode;
pnode root[maxn] = {NULL};
pnode upd(pnode root, lli L, lli R, lli a, lli v)
{
  if(L == R) return new ppnode(min(root->val, v), NULL, NULL);
  else if(a <= (L+R)/2) return new ppnode(min(root->val, v), upd(root->l, L, (L+R)/2, a, v), root->r);
  else return new ppnode(min(root->val, v), root->l, upd(root->r, (L+R)/2+1, R, a, v));
}
 
 
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Compilation message (stderr)

divide.cpp: In function 'int main()':
divide.cpp:48:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld", &n);
  ~~~~~^~~~~~~~~~~~
divide.cpp:51:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld%lld", &x[i], &g[i], &d[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 17 / 17
• Subtask 2: 31 / 31
• Subtask 3: 52 / 52