oj.uz

Submission #16333

# Submission time Handle Problem Language Result Execution time Memory
16333 2015-08-21T11:59:12 Z comet Cave (IOI13_cave) C++
100 / 100
 393 ms 608 KB 
#include <cstring>
#include "cave.h"
int a[5000],b[5000],p,n;
bool flip(int L,int R){
	bool ret=0;
	for(int i=L;i<=R;i++){
		if(b[i]<0)a[i]=!a[i],ret=1;
	}
	return ret;
}
void finish(){
	for(int i=0;i<n;i++){
		if(b[i]<0){
			a[i]=!a[i];
			b[i]=tryCombination(a);
			a[i]=!a[i];
		}
	}
	answer(a,b);
}
void f(int L,int R,int v){
	if(L==R){
		b[L]=v;
		if(p==v)a[L]=!a[L];
		return;
	}
	int mid=(L+R)/2;
	if(!flip(L,mid)){
		f(mid+1,R,v);
		return;
	}
	int t=tryCombination(a);
	if(t<0)finish();
	flip(L,mid);
	if((p!=v&&t!=v)||p==t)f(mid+1,R,v);
	else f(L,mid,v);
}
void exploreCave(int N){
	n=N;
	memset(b,-1,sizeof(b));
	for(int i=0;i<N;i++){
		p=tryCombination(a);
		if(p<0)finish();
		f(0,N-1,i);
	}
	answer(a,b);
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 412 KB Output is correct
2 Correct 98 ms 384 KB Output is correct
3 Correct 181 ms 536 KB Output is correct
4 Correct 88 ms 420 KB Output is correct
5 Correct 28 ms 396 KB Output is correct
6 Correct 136 ms 384 KB Output is correct
7 Correct 150 ms 512 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 332 KB Output is correct
12 Correct 131 ms 384 KB Output is correct
13 Correct 144 ms 480 KB Output is correct
14 Correct 181 ms 476 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 21 ms 472 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 29 ms 384 KB Output is correct
7 Correct 22 ms 512 KB Output is correct
8 Correct 22 ms 512 KB Output is correct
9 Correct 18 ms 512 KB Output is correct
10 Correct 27 ms 512 KB Output is correct
11 Correct 27 ms 460 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 5 ms 512 KB Output is correct
3 Correct 5 ms 512 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 352 KB Output is correct
6 Correct 6 ms 512 KB Output is correct
7 Correct 6 ms 332 KB Output is correct
8 Correct 6 ms 384 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 6 ms 384 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 5 ms 452 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 6 ms 452 KB Output is correct
6 Correct 47 ms 512 KB Output is correct
7 Correct 9 ms 512 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 56 ms 440 KB Output is correct
10 Correct 60 ms 512 KB Output is correct
11 Correct 54 ms 384 KB Output is correct
12 Correct 5 ms 324 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 39 ms 384 KB Output is correct
15 Correct 6 ms 324 KB Output is correct
16 Correct 38 ms 384 KB Output is correct
17 Correct 72 ms 444 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 6 ms 324 KB Output is correct
20 Correct 5 ms 512 KB Output is correct
21 Correct 48 ms 384 KB Output is correct
22 Correct 51 ms 384 KB Output is correct
23 Correct 5 ms 512 KB Output is correct

Subtask #5
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 109 ms 468 KB Output is correct
2 Correct 88 ms 488 KB Output is correct
3 Correct 137 ms 476 KB Output is correct
4 Correct 120 ms 472 KB Output is correct
5 Correct 21 ms 512 KB Output is correct
6 Correct 155 ms 476 KB Output is correct
7 Correct 147 ms 512 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 166 ms 512 KB Output is correct
11 Correct 161 ms 512 KB Output is correct
12 Correct 168 ms 512 KB Output is correct
13 Correct 18 ms 464 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 25 ms 384 KB Output is correct
17 Correct 18 ms 512 KB Output is correct
18 Correct 22 ms 608 KB Output is correct
19 Correct 18 ms 512 KB Output is correct
20 Correct 26 ms 384 KB Output is correct
21 Correct 26 ms 480 KB Output is correct
22 Correct 5 ms 452 KB Output is correct
23 Correct 49 ms 444 KB Output is correct
24 Correct 349 ms 480 KB Output is correct
25 Correct 5 ms 512 KB Output is correct
26 Correct 6 ms 384 KB Output is correct
27 Correct 66 ms 384 KB Output is correct
28 Correct 47 ms 452 KB Output is correct
29 Correct 85 ms 512 KB Output is correct
30 Correct 393 ms 384 KB Output is correct
31 Correct 346 ms 476 KB Output is correct
32 Correct 305 ms 512 KB Output is correct
33 Correct 5 ms 512 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 283 ms 472 KB Output is correct
36 Correct 34 ms 448 KB Output is correct
37 Correct 202 ms 476 KB Output is correct
38 Correct 5 ms 512 KB Output is correct
39 Correct 53 ms 444 KB Output is correct
40 Correct 38 ms 384 KB Output is correct
41 Correct 222 ms 472 KB Output is correct
42 Correct 6 ms 396 KB Output is correct
43 Correct 5 ms 512 KB Output is correct
44 Correct 5 ms 384 KB Output is correct
45 Correct 67 ms 512 KB Output is correct
46 Correct 56 ms 512 KB Output is correct
47 Correct 334 ms 468 KB Output is correct
48 Correct 383 ms 512 KB Output is correct
49 Correct 5 ms 372 KB Output is correct