oj.uz

답안 #4198

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
4198 2013-09-05T03:50:38 Z cki86201 파일 삭제 (GA3_delete) C++
85 / 120
 48 ms 119664 KB 
#include<algorithm>
#include<string.h>
using namespace std;
int Dp[3030][10010];
int R[3030],L[3030],tot[3030];
int st[3030],en[6060];
short next[6060];
bool check[3030];
int ord[3030],co;

void dfs(int x)
{
	check[x]=1;
	for(int i=st[x];i;i=next[i]){
		if(!check[en[i]]){dfs(en[i]);tot[x]+=tot[en[i]];}
	}
	ord[++co]=x;
}

void addedge(int s,int d,int c)
{
	next[c]=st[s];
	st[s]=c;
	en[c]=d;
}


int DeletePlan( int M, int N, int K, int *A, int *B){
	int i;
	for(i=0;i<M;i++){R[A[i]]++;tot[A[i]]++;}
	for(i=1;i<N;i++){
		addedge(i,B[i],2*i);
		addedge(B[i],i,2*i+1);
	}
	dfs(0);
	memset(Dp,1,sizeof(Dp));
	for(i=1;i<=N;i++){
		int x=ord[i];
		if(x==0){
			x++;
			x--;
		}
		Dp[x][0]=0;
		int j,k;
		for(j=1;j<tot[x];j++)Dp[x][j]=j;
		Dp[x][tot[x]]=1;
		for(j=st[x];j;j=next[j]){
			if(B[x]==en[j])continue;
			for(k=tot[x];k>tot[en[j]];k--){
				Dp[x][k]=min(Dp[x][k],Dp[x][k-tot[en[j]]]+1);
			}
			for(k=0;k<=tot[en[j]];k++){
				Dp[x][k]=min(Dp[x][k],Dp[en[j]][k]);
			}
		}
	}
	return Dp[0][K];
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 119664 KB Output is correct
2 Correct 28 ms 119664 KB Output is correct
3 Correct 24 ms 119664 KB Output is correct
4 Correct 24 ms 119664 KB Output is correct
5 Correct 12 ms 119664 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 119664 KB Output is correct
2 Correct 16 ms 119664 KB Output is correct
3 Correct 16 ms 119664 KB Output is correct
4 Correct 20 ms 119664 KB Output is correct
5 Correct 20 ms 119664 KB Output is correct
6 Correct 20 ms 119664 KB Output is correct
7 Correct 28 ms 119664 KB Output is correct
8 Correct 24 ms 119664 KB Output is correct
9 Correct 24 ms 119664 KB Output is correct
10 Correct 16 ms 119664 KB Output is correct

Subtask #3
0.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 119664 KB Output is correct
2 Incorrect 48 ms 119664 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 119664 KB Output is correct
2 Correct 28 ms 119664 KB Output is correct
3 Correct 20 ms 119664 KB Output is correct
4 Correct 28 ms 119664 KB Output is correct
5 Correct 36 ms 119664 KB Output is correct
6 Correct 28 ms 119664 KB Output is correct
7 Correct 40 ms 119664 KB Output is correct
8 Correct 24 ms 119664 KB Output is correct
9 Correct 40 ms 119664 KB Output is correct
10 Correct 40 ms 119664 KB Output is correct
11 Correct 36 ms 119664 KB Output is correct
12 Correct 40 ms 119664 KB Output is correct
13 Correct 36 ms 119664 KB Output is correct
14 Correct 40 ms 119664 KB Output is correct
15 Correct 20 ms 119664 KB Output is correct