제출 #102202

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
102202	2019-03-23 13:30:29	Pajaraja	Examination (JOI19_examination)	C++17	100 / 100	1035 ms	28840 KiB

examination

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#include <bits/stdc++.h>
#define MAXN 1000007
using namespace std;
int n,q,bit[2*MAXN],qx[MAXN],qy[MAXN],qxy[MAXN],x[MAXN],y[MAXN],a[MAXN],b[MAXN],c[MAXN],d[MAXN],sol[MAXN],ans[MAXN];
bool t[MAXN];
pair<int,int> r[2*MAXN];
pair<pair<int,int>,int> l[2*MAXN];
void upd(int x) {while(x<2*MAXN) {bit[x]++; x+=(x&-x);} }
int val(int x)
{
  int s=0;
  while(x)
  {
    s+=bit[x];
    x-=(x&-x);
  }
  return s;
}
map<int,int> m;
void calc1()
{
  for(int i=0;i<n;i++) r[i]=make_pair(a[i],1);
  for(int i=0;i<q;i++) r[n+i]=make_pair(b[i],-i);
  sort(r,r+n+q);
  int cnt=0;
  for(int i=0;i<n+q;i++)
  {
    if(r[i].second==1) cnt++;
    else sol[-r[i].second]=cnt;
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

examination.cpp: In function 'void calc2()':
examination.cpp:40:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<zk.size();i++) m[zk[i]]=i+1;
              ~^~~~~~~~~~
examination.cpp: In function 'int main()':
examination.cpp:52:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&q);
  ~~~~~^~~~~~~~~~~~~~
examination.cpp:53:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0;i<n;i++) scanf("%d%d",&x[i],&y[i]);
                       ~~~~~^~~~~~~~~~~~~~~~~~~~
examination.cpp:54:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0;i<q;i++) scanf("%d%d%d",&qx[i],&qy[i],&qxy[i]);
                       ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 20 / 20
• Subtask 3: 21 / 21
• Subtask 4: 57 / 57