제출 #1253537

#제출 시각아이디문제언어결과실행 시간메모리
1253537JuanJLBubble Sort 2 (JOI18_bubblesort2)C++20
0 / 100
9092 ms1820 KiB
#include "bubblesort2.h"
#include <bits/stdc++.h>

#define fst first
#define snd second
#define pb push_back
#define SZ(x) (int)x.size()
#define ALL(x) x.begin(),x.end()
#define forn(i,a,b) for(int i = a; i< b; i++)
#define mset(a,v) memset(a,v,sizeof(a))
#define FIN ios::sync_with_stdio(0); cout.tie(0); cin.tie(0); 
using namespace std;
typedef long long ll;

ll solve(vector<int> A){
	vector<pair<ll,ll>> rA; forn(i,0,SZ(A)) rA.pb({A[i],0});
	
	forn(i,0,SZ(rA)){
		forn(j,0,i){
			if(rA[j].fst>rA[i].fst){
				rA[i].snd++;
			}
		}
	}
	
	sort(ALL(rA));
	
	ll res = 0;
	ll maxi = -1;
	forn(i,0,SZ(rA)){
		
			res+=max((ll)0,rA[i].snd-res);
		
	}
	return res;
}


std::vector<int> countScans(std::vector<int> A,std::vector<int> X,std::vector<int> V){

	vector<int> nA = A;
	vector<int> res;
	forn(i,0,SZ(X)){
		
		nA[X[i]]=V[i];
		res.pb(solve(nA));
	}
	
	
	
	
	
	return res;
}
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