oj.uz

Submission #1792

# Submission time Handle Problem Language Result Execution time Memory
1792 2013-07-15T15:12:45 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 1 ms 54348 KB Output is correct
2 Correct 2 ms 54348 KB Output is correct
3 Correct 85 ms 54348 KB Output is correct
4 Correct 4 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 2 ms 54348 KB Output is correct
5 Correct 2 ms 54348 KB Output is correct
6 Correct 0 ms 54348 KB Output is correct
7 Correct 1 ms 54348 KB Output is correct
8 Correct 0 ms 54348 KB Output is correct
9 Correct 2 ms 54348 KB Output is correct
10 Correct 1 ms 54348 KB Output is correct
11 Correct 104 ms 54348 KB Output is correct
12 Correct 0 ms 54348 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 384 ms 54348 KB Output is correct
2 Correct 356 ms 54348 KB Output is correct
3 Correct 392 ms 54348 KB Output is correct
4 Correct 448 ms 54348 KB Output is correct
5 Correct 468 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 1503 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 4 ms 54348 KB Output is correct
2 Correct 7 ms 54348 KB Output is correct
3 Correct 7 ms 54348 KB Output is correct
4 Correct 47 ms 54348 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 396 ms 54348 KB Output is correct
2 Correct 306 ms 54348 KB Output is correct
3 Correct 452 ms 54348 KB Output is correct
4 Correct 455 ms 54348 KB Output is correct
5 Correct 375 ms 54348 KB Output is correct
6 Correct 8 ms 54348 KB Output is correct
7 Correct 5 ms 54348 KB Output is correct
8 Correct 8 ms 54348 KB Output is correct
9 Correct 63 ms 54348 KB Output is correct
10 Correct 1 ms 54348 KB Output is correct
11 Correct 2 ms 54348 KB Output is correct
12 Correct 86 ms 54348 KB Output is correct
13 Correct 0 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 1 ms 54348 KB Output is correct
19 Correct 0 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 2 ms 54348 KB Output is correct
24 Correct 1 ms 54348 KB Output is correct
25 Correct 81 ms 54348 KB Output is correct
26 Correct 1 ms 54348 KB Output is correct
27 Correct 1472 ms 54348 KB Output is correct
28 Correct 5644 ms 54348 KB Output is correct
29 Correct 4349 ms 54348 KB Output is correct
30 Correct 4378 ms 54348 KB Output is correct
31 Correct 4811 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 389 ms 54348 KB Output is correct
2 Correct 353 ms 54348 KB Output is correct
3 Correct 397 ms 54348 KB Output is correct
4 Correct 391 ms 54348 KB Output is correct
5 Correct 379 ms 54348 KB Output is correct
6 Correct 6 ms 54348 KB Output is correct
7 Correct 4 ms 54348 KB Output is correct
8 Correct 8 ms 54348 KB Output is correct
9 Correct 63 ms 54348 KB Output is correct
10 Correct 2 ms 54348 KB Output is correct
11 Correct 2 ms 54348 KB Output is correct
12 Correct 87 ms 54348 KB Output is correct
13 Correct 2 ms 54348 KB Output is correct
14 Correct 3 ms 54348 KB Output is correct
15 Correct 1894 ms 54348 KB Output is correct
16 Execution timed out 20000 ms 0 KB Program timed out
17 Halted 0 ms 0 KB -