Submission #389829

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
389829	2021-04-14 15:07:58	ogibogi2004	Food Court (JOI21_foodcourt)	C++14	100 / 100	959 ms	112452 KiB

foodcourt

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
const ll MAXN=250060;
struct node
{
  ll lazymax;
  ll lazyadd;
  ll maxhere;
};
node tree[4*MAXN];
void build(ll l,ll r,ll idx)
{
  tree[idx].maxhere=0;
  tree[idx].lazymax=0;
  tree[idx].lazyadd=0;
  if(l==r)return;
  ll mid=(l+r)/2;
  build(l,mid,idx*2);
  build(mid+1,r,idx*2+1);
}
node merge(node n1,node n2)
{
  node ret;
  ret.maxhere=max(0ll,max(max(n1.maxhere,n1.lazymax)+n1.lazyadd,max(n2.lazymax,n2.maxhere)+n2.lazyadd));
  ret.lazyadd=0;
  ret.lazymax=0;
  return ret;
}
void push_lazy(ll l,ll r,ll idx)
 
 
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Compilation message (stderr)

foodcourt.cpp: In function 'int main()':
foodcourt.cpp:215:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  215 |   for(ll j=0;j<bs[i].size();j++)
      |              ~^~~~~~~~~~~~~
foodcourt.cpp:220:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  220 |  for(ll i=0;i<z.size();i++)
      |             ~^~~~~~~~~
foodcourt.cpp:229:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  229 |   for(ll i=0;i<z.size();++i)
      |              ~^~~~~~~~~
foodcourt.cpp:237:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<upd>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  237 |   for(ll j=0;j<v.size();++j)
      |              ~^~~~~~~~~
foodcourt.cpp:257:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  257 |  for(ll i=0;i<z.size();++i)
      |             ~^~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 5 / 5
• Subtask 3: 7 / 7
• Subtask 4: 21 / 21
• Subtask 5: 15 / 15
• Subtask 6: 13 / 13
• Subtask 7: 26 / 26
• Subtask 8: 11 / 11