제출 #543598

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
543598	2022-03-31 00:14:41	chonka	Examination (JOI19_examination)	C++98	100 / 100	148 ms	12200 KiB

examination

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#include<bits/stdc++.h>
using namespace std ;
typedef long long ll ;
// mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
#define MAXN 100007
int n , q ;
struct el {
    int x , y , sm , id ;
};
el a[ MAXN ] , qlist[ MAXN ] ;
int ans[ MAXN ] ;
vector < pair < int , int > > srtx , srty ;
int posx[ MAXN ] , posy[ MAXN ] ;
class fenw {
public :
    int tr[ MAXN ] ;
    void init ( ) {
        for ( int i = 0 ; i <= n ; ++ i ) {
            tr[ i ] = 0 ;
        }
    }
    void update ( int pos , int add ) {
        for ( int i = pos ; i <= n ; i += ( i & ( -i ) ) ) {
            tr[ i ] += add ;
 
 
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