제출 #137131

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
137131	2019-07-27 06:20:41	KLPP	Poklon (COCI17_poklon)	C++14	140 / 140	1975 ms	15116 KiB

poklon

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#include<bits/stdc++.h>
using namespace std;
typedef long long int lld;
#define rep(i,a,b) for(int i=a;i<b;i++)
#define block 700
int n,q;
int arr[1000000];
multiset<int> m;
struct queries{
  int l,r;
  int index;
};
bool operator <(queries a, queries b){
  if(a.l/block<b.l/block)return true;
  if(a.l/block>b.l/block)return false;
  return (a.r<b.r);
}
queries Q[1000000];
int L,R;
int freq[1000000];
int ans;
void Rplus(){
  R++;
  ans-=(freq[arr[R]]==2);
  freq[arr[R]]++;
  ans+=(freq[arr[R]]==2);
}
void Lminus(){
  L--;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

poklon.cpp: In function 'int main()':
poklon.cpp:64:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&n,&q);
   ~~~~~^~~~~~~~~~~~~~~
poklon.cpp:67:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&arr[i]);
     ~~~~~^~~~~~~~~~~~~~
poklon.cpp:86:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&Q[i].l,&Q[i].r);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 140 / 140