Submission #499305

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
499305	2021-12-27 23:00:00	couplefire	Cake 3 (JOI19_cake3)	C++17	100 / 100	1348 ms	151640 KiB

cake3

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#include <iostream>
#include <algorithm>
using namespace std;
#define sz 30000000
pair<long long,int> tree[sz];
int n,m,lc[sz],rc[sz],root[200005],cn;
long long ans=-1e18;
pair<int,int> arr[200005];
void update(int node,int node2,int st,int en,int idx){
  tree[node2]=tree[node];
  tree[node2].first+=idx;
  tree[node2].second++;
  if (st!=en){
    int mid=(st+en)/2;
    if (st<=idx && idx<=mid){
      lc[node2]=++cn;
      rc[node2]=rc[node];
      update(lc[node],lc[node2],st,mid,idx);
    }
    else{
      rc[node2]=++cn;
      lc[node2]=lc[node];
      update(rc[node],rc[node2],mid+1,en,idx);
    }
  }
}
long long get(int node,int node2,int st,int en,int k){
  if (st==en)
  return 1LL*k*st;
  int mid=(st+en)/2;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

cake3.cpp: In function 'int main()':
cake3.cpp:53:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   53 |  scanf("%d%d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~
cake3.cpp:55:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |  scanf("%d%d",&arr[i].second,&arr[i].first);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 19 / 19
• Subtask 3: 76 / 76