제출 #71020

#제출 시각아이디문제언어결과실행 시간메모리
71020DiuvenLottery (CEOI18_lot)C++14
100 / 100
1735 ms9132 KiB
#include <bits/stdc++.h>
using namespace std;

int n, l, q, m, A[10010], cnt[101][10010], lim, now[10010], K[101], sum[10010], tmp[20010];
vector<int> X, P[10010];
vector<pair<int, int>> Q;

int main(){
	ios::sync_with_stdio(0); cin.tie(0);
	cin>>n>>l; m=n-l+1;
	for(int i=1; i<=n; i++) cin>>A[i], X.push_back(A[i]);
	cin>>q; for(int i=1; i<=q; i++) cin>>K[i], Q.push_back({K[i], i});

	sort(Q.begin(), Q.end());

	sort(X.begin(), X.end());
	lim=unique(X.begin(), X.end())-X.begin();
	X.resize(lim);

	for(int i=1; i<=n; i++) A[i]=lower_bound(X.begin(), X.end(), A[i])-X.begin();
	for(int i=1; i<=n; i++) P[A[i]].push_back(i);

	for(int i=1, lft=1, rig=0; i<=m; i++){
		while(rig+1<i+l){
			rig++;
//			cout<<"IN: "<<rig<<'\n';
			for(int j=1; j<=n; j++)
				if(A[j]==A[rig])
					tmp[j-rig+10000]++;
		}
		if(lft<i){
//			cout<<"OUT: "<<lft<<'\n';
			for(int j=1; j<=n; j++)
				if(A[j]==A[lft]) tmp[j-lft+10000]--;
			lft++;
		}

		for(int j=1; j<=n; j++) now[j]=l;

		for(int j=0; j<=20000; j++){
			int pos=i+j-10000;
			if(1<=pos && pos<=m) now[pos]-=tmp[j];
		}
/*
		for(int j=0; j<lim; j++){
			vector<int> Q;
			for(int p:P[j]) if(i<=p && p<i+l) Q.push_back(p-i);
			if(Q.empty()) continue;

			for(int p:P[j]) for(int q:Q) if(1<=p-q && p-q<=m) now[p-q]--;
		}
*/
/*
		cout<<"SOLVING: "<<i<<": \n";
		for(int s=1; s<=m; s++) cout<<now[s]<<' ';
		cout<<'\n';
		*/

		for(int j=0; j<=l; j++) sum[j]=0;
		for(int j=1; j<=m; j++) if(j!=i) sum[now[j]]++;

		for(int j=1; j<=l; j++) sum[j]+=sum[j-1];

		for(int j=0, s=0; j<(int)Q.size(); j++){
			int val, idx; tie(val,idx)=Q[j];
			while(s<val) s++;
			cnt[idx][i]=sum[s];
		}
	}
	for(int i=1; i<=q; i++, cout<<'\n') for(int j=1; j<=m; j++) cout<<cnt[i][j]<<' ';
	return 0;
}
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