oj.uz

Submission #2471

# Submission time Handle Problem Language Result Execution time Memory
2471 2013-07-22T07:56:09 Z ainta Wombats (IOI13_wombats) C++
76 / 100
 20000 ms 54348 KB 
#include "wombats.h"
#define SZ 64
#define INF 999999999
int D[128][201][201],bucket_sz,h[5010][210],v[5010][210],TP[100][210][210],r,c;
void Do(int num,int a)
{
	int i,j,k,bsz=bucket_sz;
	if(a+bsz>r)bsz=r-a;

	for(i=0;i<=bsz;i++)
		for(j=0;j<c;j++)
			for(k=0;k<c;k++)
				TP[i][j][k]=INF;
	for(i=0;i<c;i++)TP[0][i][i]=0;
	for(i=0;i<bsz;i++)
	{
		for(j=0;j<c;j++){
			for(k=1;k<c;k++)
				if(TP[i][j][k]>TP[i][j][k-1]+h[a+i][k-1])
					TP[i][j][k]=TP[i][j][k-1]+h[a+i][k-1];
			for(k=c-2;k>=0;k--)
				if(TP[i][j][k]>TP[i][j][k+1]+h[a+i][k])
					TP[i][j][k]=TP[i][j][k+1]+h[a+i][k];
		}
		for(j=0;j<c;j++)
			for(k=0;k<c;k++)
				TP[i+1][j][k]=TP[i][j][k]+v[a+i][k];
	}
	for(i=0;i<c;i++)
		for(j=0;j<c;j++)
			D[num][i][j]=TP[bsz][i][j];
}
void Update(int a)
{
	int i,j,k,bsz=13,w[20],t;
	int c1=a*2,c2=a*2+1;
	for(i=0;i<c;i++)for(j=0;j<c;j++)D[a][i][j]=INF+1;
	for(i=0;i<c;i++){
		t=0;
		for(j=0;j<c;j+=bsz){
			for(k=0;k<c;k++)
				if(D[a][i][j]>D[c1][i][k]+D[c2][k][j])
					D[a][i][j]=D[c1][i][k]+D[c2][k][j],w[t]=k;
			t++;
		}
		w[(c-1)/bsz+1]=c-1;
		for(j=0;j<c;j++){
			if(j%bsz==0)continue;
			t=w[j/bsz+1];
			for(k=w[j/bsz];k<=t;k++)
			{
				if(D[a][i][j]>D[c1][i][k]+D[c2][k][j])
					D[a][i][j]=D[c1][i][k]+D[c2][k][j];
			}
		}
	}
}
void changeV(int P, int Q, int W)
{
	v[P][Q]=W;
	int a=P/bucket_sz;
	Do(SZ+a,a*bucket_sz);
	a+=SZ;
	while(a>1){
		a>>=1;
		Update(a);
	}
}
void changeH(int P, int Q, int W)
{
	h[P][Q]=W;
	int a=P/bucket_sz;
	Do(SZ+a,a*bucket_sz);
	a+=SZ;
	while(a>1){
		a>>=1;
		Update(a);
	}
}
int escape(int V1, int V2)
{
	return D[1][V1][V2];
}
void init(int R, int C, int H[5000][200], int V[5000][200])
{
	r=R,c=C;
	int i,j,k;
	for(i=0;i<R;i++)for(j=0;j<C-1;j++)h[i][j]=H[i][j];
	for(i=0;i<R-1;i++)for(j=0;j<C;j++)v[i][j]=V[i][j];
	bucket_sz=(R-1)/64+1;
	for(i=0;i<R;i+=bucket_sz)
	{
		Do(SZ+i/bucket_sz,i);
	}
	for(i=SZ+i/bucket_sz;i<128;i++){
		for(j=0;j<C;j++){
			for(k=0;k<C;k++)D[i][j][k]=INF;
			D[i][j][j]=0;
		}
	}
	for(i=SZ-1;i>=1;i--)Update(i);
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 54348 KB Output is correct
2 Correct 2 ms 54348 KB Output is correct
3 Correct 107 ms 54348 KB Output is correct
4 Correct 1 ms 54348 KB Output is correct
5 Correct 1 ms 54348 KB Output is correct
6 Correct 0 ms 54348 KB Output is correct
7 Correct 0 ms 54348 KB Output is correct
8 Correct 0 ms 54348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 54348 KB Output is correct
2 Correct 0 ms 54348 KB Output is correct
3 Correct 0 ms 54348 KB Output is correct
4 Correct 0 ms 54348 KB Output is correct
5 Correct 0 ms 54348 KB Output is correct
6 Correct 1 ms 54348 KB Output is correct
7 Correct 1 ms 54348 KB Output is correct
8 Correct 1 ms 54348 KB Output is correct
9 Correct 0 ms 54348 KB Output is correct
10 Correct 1 ms 54348 KB Output is correct
11 Correct 100 ms 54348 KB Output is correct
12 Correct 1 ms 54348 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 386 ms 54348 KB Output is correct
2 Correct 303 ms 54348 KB Output is correct
3 Correct 389 ms 54348 KB Output is correct
4 Correct 383 ms 54348 KB Output is correct
5 Correct 381 ms 54348 KB Output is correct
6 Correct 0 ms 54348 KB Output is correct
7 Correct 0 ms 54348 KB Output is correct
8 Correct 0 ms 54348 KB Output is correct
9 Correct 1268 ms 54348 KB Output is correct
10 Correct 0 ms 54348 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 54348 KB Output is correct
2 Correct 5 ms 54348 KB Output is correct
3 Correct 6 ms 54348 KB Output is correct
4 Correct 46 ms 54348 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 459 ms 54348 KB Output is correct
2 Correct 305 ms 54348 KB Output is correct
3 Correct 389 ms 54348 KB Output is correct
4 Correct 450 ms 54348 KB Output is correct
5 Correct 370 ms 54348 KB Output is correct
6 Correct 3 ms 54348 KB Output is correct
7 Correct 5 ms 54348 KB Output is correct
8 Correct 6 ms 54348 KB Output is correct
9 Correct 46 ms 54348 KB Output is correct
10 Correct 2 ms 54348 KB Output is correct
11 Correct 0 ms 54348 KB Output is correct
12 Correct 98 ms 54348 KB Output is correct
13 Correct 3 ms 54348 KB Output is correct
14 Correct 1 ms 54348 KB Output is correct
15 Correct 0 ms 54348 KB Output is correct
16 Correct 0 ms 54348 KB Output is correct
17 Correct 0 ms 54348 KB Output is correct
18 Correct 0 ms 54348 KB Output is correct
19 Correct 1 ms 54348 KB Output is correct
20 Correct 1 ms 54348 KB Output is correct
21 Correct 0 ms 54348 KB Output is correct
22 Correct 1 ms 54348 KB Output is correct
23 Correct 0 ms 54348 KB Output is correct
24 Correct 0 ms 54348 KB Output is correct
25 Correct 81 ms 54348 KB Output is correct
26 Correct 2 ms 54348 KB Output is correct
27 Correct 1267 ms 54348 KB Output is correct
28 Correct 5538 ms 54348 KB Output is correct
29 Correct 4355 ms 54348 KB Output is correct
30 Correct 5076 ms 54348 KB Output is correct
31 Correct 5507 ms 54348 KB Output is correct
32 Correct 0 ms 54348 KB Output is correct

Subtask #6
0.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 386 ms 54348 KB Output is correct
2 Correct 306 ms 54348 KB Output is correct
3 Correct 455 ms 54348 KB Output is correct
4 Correct 475 ms 54348 KB Output is correct
5 Correct 378 ms 54348 KB Output is correct
6 Correct 5 ms 54348 KB Output is correct
7 Correct 7 ms 54348 KB Output is correct
8 Correct 6 ms 54348 KB Output is correct
9 Correct 50 ms 54348 KB Output is correct
10 Correct 3 ms 54348 KB Output is correct
11 Correct 1 ms 54348 KB Output is correct
12 Correct 83 ms 54348 KB Output is correct
13 Correct 2 ms 54348 KB Output is correct
14 Correct 0 ms 54348 KB Output is correct
15 Correct 1666 ms 54348 KB Output is correct
16 Execution timed out 20000 ms 0 KB Program timed out
17 Halted 0 ms 0 KB -