Submission #69834

#TimeUsernameProblemLanguageResultExecution timeMemory
69834FedericoSJousting tournament (IOI12_tournament)C++14
0 / 100
1067 ms2480 KiB
#include <iostream>
#include <vector>
#include <assert.h>
using namespace std;
typedef pair<int,int> pii;

int RT[4000005];
vector<int> V;
int a,b;
pii ans,res;

int converti(int k){
	int res=0;
	for(int i=0;i<k+1;)
		if(RT[res++])
			i++;
	return res-1;
}

void elimina(int x, int y){
	for(int i=x;i<=y;i++)
		RT[i]=0;
}

int GetBestPosition(int N, int C, int R, int *K, int *S, int *E) {

	for(int i=0;i<400005;i++)
		RT[i]=1;

	for(int i=0;i<C;i++){
		S[i]=converti(S[i]);
		E[i]=converti(E[i]+1);
		elimina(S[i]+1,E[i]-1);
	}

	for(int i=0;i<C;i++)
		for(int j=S[i];j<E[i]-1;j++)
			if(K[j]>R){
				S[i]=E[i]=0;
				break;
			}

	for(int pos=0;pos<N;pos++){
		
		for(int i=0;i<C;i++){
			if(S[i]<=pos and pos<=E[i]-1)
				res.first++;
		}

		ans=max(ans,res);

	}

	return -ans.second;

}
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