제출 #288872

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
288872	2020-09-02 04:29:06	mohammedehab2002	별자리 3 (JOI20_constellation3)	C++11	100 / 100	467 ms	27132 KiB

constellation3

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#include <bits/stdc++.h>
using namespace std;
long long tree[800005],ans;
vector<int> v[200005];
pair<pair<int,int>,int> s[200005];
int a[200005],pre[200005],nex[200005];
void update(int node,int st,int en,int l,int r,long long v)
{
  if (en<l || st>r || r<l)
  return;
  if (l<=st && en<=r)
  {
    tree[node]-=v;
    return;
  }
  int mid=(st+en)/2;
  update(2*node,st,mid,l,r,v);
  update(2*node+1,mid+1,en,l,r,v);
}
long long query(int node,int st,int en,int idx)
{
  long long ret=tree[node];
  if (st!=en)
  {
    int mid=(st+en)/2;
    if (st<=idx && idx<=mid)
    ret+=query(2*node,st,mid,idx);
    else
    ret+=query(2*node+1,mid+1,en,idx);
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

constellation3.cpp: In function 'int main()':
constellation3.cpp:36:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   36 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
constellation3.cpp:39:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   39 |   scanf("%d",&a[i]);
      |   ~~~~~^~~~~~~~~~~~
constellation3.cpp:42:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   42 |  scanf("%d",&m);
      |  ~~~~~^~~~~~~~~
constellation3.cpp:45:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   45 |   scanf("%d%d%d",&s[i].first.second,&s[i].first.first,&s[i].second);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 21 / 21
• Subtask 3: 65 / 65