# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
31082 |
2017-08-06T16:55:41 Z |
WhipppedCream |
Cave (IOI13_cave) |
C++14 |
|
1178 ms |
644 KB |
#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
#define vi vector<int>
#define pb push_back
bool solved[5005];
int sol[5005];
int connect[5005];
int arr[5005];
int tmp[5005];
vi cand;
void exploreCave(int n)
{
for(int i = 0; i< n; i++) cand.pb(i);
for(int it = 0; it< n-1; it++)
{
//printf("-----iteration %d\n", it);
for(int i = 0; i< n; i++) if(solved[i]) arr[i] = sol[i];
for(int i = 0; i< (int) cand.size(); i++) arr[cand[i]] = 0;
int last = tryCombination(arr);
if(last == -1) last = 1e9;
int L = 0, R = cand.size()-1;
memset(tmp, 0, sizeof tmp);
while(L< R)
{
//printf("L = %d and R = %d\n", L, R);
int mid = (L+R)/2;
for(int i = 0; i< n; i++) if(solved[i]) arr[i] = sol[i];
for(int i = mid+1; i<= R; i++) if(!solved[cand[i]]) arr[cand[i]] = 1-arr[cand[i]];
int x = tryCombination(arr);
if(x == -1) x = 1e9;
if(x< last)
{
L = mid+1;
last = x;
if(L == R) sol[cand[L]] = 1-arr[cand[L]];
}
else if(x> last)
{
L = mid+1;
if(L == R) sol[cand[L]] = arr[cand[L]];
for(int i = mid+1; i<= R; i++) if(!solved[cand[i]]) arr[cand[i]] = 1-arr[cand[i]];
}
else
{
int trex = R;
R = mid;
if(L == R) sol[cand[L]]= 1-arr[cand[L]];
for(int i = mid+1; i<= trex; i++) if(!solved[cand[i]]) arr[cand[i]] = 1-arr[cand[i]];
}
}
connect[cand[L]] = last;
solved[cand[L]] = 1;
//printf("connect %d to %d\n", cand[L], last);
//printf("position for %d is %d\n", cand[L], sol[cand[L]]);
cand.erase(cand.begin()+L);
}
int pos = cand[0];
//printf("pos is %d\n", pos);
memset(arr, 0, sizeof arr);
for(int i = 0; i< n; i++) if(solved[i]) arr[i] = sol[i];
int x = tryCombination(arr);
int y;
if(x == -1)
{
arr[pos] = 1-arr[pos];
y = tryCombination(arr);
sol[pos] = 1-arr[pos];
}
else
{
y = x;
sol[pos] = 1-arr[pos];
}
connect[pos] = y;
answer(sol, connect);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
563 ms |
564 KB |
Output is correct |
2 |
Correct |
427 ms |
640 KB |
Output is correct |
3 |
Correct |
765 ms |
576 KB |
Output is correct |
4 |
Correct |
404 ms |
640 KB |
Output is correct |
5 |
Correct |
631 ms |
640 KB |
Output is correct |
6 |
Correct |
626 ms |
592 KB |
Output is correct |
7 |
Correct |
610 ms |
640 KB |
Output is correct |
8 |
Correct |
6 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
512 KB |
Output is correct |
12 |
Correct |
645 ms |
592 KB |
Output is correct |
13 |
Correct |
632 ms |
556 KB |
Output is correct |
14 |
Correct |
638 ms |
512 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
638 ms |
580 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
630 ms |
604 KB |
Output is correct |
4 |
Correct |
6 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
603 ms |
640 KB |
Output is correct |
7 |
Correct |
599 ms |
580 KB |
Output is correct |
8 |
Correct |
967 ms |
640 KB |
Output is correct |
9 |
Correct |
896 ms |
588 KB |
Output is correct |
10 |
Correct |
886 ms |
640 KB |
Output is correct |
11 |
Correct |
531 ms |
640 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
452 KB |
Output is correct |
2 |
Correct |
6 ms |
512 KB |
Output is correct |
3 |
Correct |
5 ms |
512 KB |
Output is correct |
4 |
Correct |
5 ms |
452 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
6 ms |
384 KB |
Output is correct |
7 |
Correct |
7 ms |
384 KB |
Output is correct |
8 |
Correct |
6 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
512 KB |
Output is correct |
10 |
Correct |
5 ms |
512 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
6 ms |
512 KB |
Output is correct |
13 |
Correct |
5 ms |
396 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
452 KB |
Output is correct |
2 |
Correct |
6 ms |
512 KB |
Output is correct |
3 |
Correct |
5 ms |
512 KB |
Output is correct |
4 |
Correct |
5 ms |
452 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
6 ms |
384 KB |
Output is correct |
7 |
Correct |
7 ms |
384 KB |
Output is correct |
8 |
Correct |
6 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
512 KB |
Output is correct |
10 |
Correct |
5 ms |
512 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
6 ms |
512 KB |
Output is correct |
13 |
Correct |
5 ms |
396 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
6 ms |
512 KB |
Output is correct |
17 |
Correct |
5 ms |
512 KB |
Output is correct |
18 |
Correct |
6 ms |
384 KB |
Output is correct |
19 |
Correct |
6 ms |
512 KB |
Output is correct |
20 |
Correct |
83 ms |
492 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
7 ms |
384 KB |
Output is correct |
23 |
Correct |
144 ms |
504 KB |
Output is correct |
24 |
Correct |
154 ms |
512 KB |
Output is correct |
25 |
Correct |
182 ms |
504 KB |
Output is correct |
26 |
Correct |
6 ms |
384 KB |
Output is correct |
27 |
Correct |
6 ms |
384 KB |
Output is correct |
28 |
Correct |
94 ms |
632 KB |
Output is correct |
29 |
Correct |
6 ms |
512 KB |
Output is correct |
30 |
Correct |
81 ms |
504 KB |
Output is correct |
31 |
Correct |
79 ms |
504 KB |
Output is correct |
32 |
Correct |
6 ms |
512 KB |
Output is correct |
33 |
Correct |
5 ms |
512 KB |
Output is correct |
34 |
Correct |
5 ms |
512 KB |
Output is correct |
35 |
Correct |
155 ms |
504 KB |
Output is correct |
36 |
Correct |
163 ms |
640 KB |
Output is correct |
37 |
Correct |
5 ms |
512 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
563 ms |
564 KB |
Output is correct |
2 |
Correct |
427 ms |
640 KB |
Output is correct |
3 |
Correct |
765 ms |
576 KB |
Output is correct |
4 |
Correct |
404 ms |
640 KB |
Output is correct |
5 |
Correct |
631 ms |
640 KB |
Output is correct |
6 |
Correct |
626 ms |
592 KB |
Output is correct |
7 |
Correct |
610 ms |
640 KB |
Output is correct |
8 |
Correct |
6 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
512 KB |
Output is correct |
12 |
Correct |
645 ms |
592 KB |
Output is correct |
13 |
Correct |
632 ms |
556 KB |
Output is correct |
14 |
Correct |
638 ms |
512 KB |
Output is correct |
15 |
Correct |
638 ms |
580 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
630 ms |
604 KB |
Output is correct |
18 |
Correct |
6 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
603 ms |
640 KB |
Output is correct |
21 |
Correct |
599 ms |
580 KB |
Output is correct |
22 |
Correct |
967 ms |
640 KB |
Output is correct |
23 |
Correct |
896 ms |
588 KB |
Output is correct |
24 |
Correct |
886 ms |
640 KB |
Output is correct |
25 |
Correct |
531 ms |
640 KB |
Output is correct |
26 |
Correct |
6 ms |
452 KB |
Output is correct |
27 |
Correct |
6 ms |
512 KB |
Output is correct |
28 |
Correct |
5 ms |
512 KB |
Output is correct |
29 |
Correct |
5 ms |
452 KB |
Output is correct |
30 |
Correct |
5 ms |
384 KB |
Output is correct |
31 |
Correct |
6 ms |
384 KB |
Output is correct |
32 |
Correct |
7 ms |
384 KB |
Output is correct |
33 |
Correct |
6 ms |
384 KB |
Output is correct |
34 |
Correct |
5 ms |
512 KB |
Output is correct |
35 |
Correct |
5 ms |
512 KB |
Output is correct |
36 |
Correct |
5 ms |
384 KB |
Output is correct |
37 |
Correct |
6 ms |
512 KB |
Output is correct |
38 |
Correct |
5 ms |
396 KB |
Output is correct |
39 |
Correct |
5 ms |
384 KB |
Output is correct |
40 |
Correct |
5 ms |
384 KB |
Output is correct |
41 |
Correct |
6 ms |
512 KB |
Output is correct |
42 |
Correct |
5 ms |
512 KB |
Output is correct |
43 |
Correct |
6 ms |
384 KB |
Output is correct |
44 |
Correct |
6 ms |
512 KB |
Output is correct |
45 |
Correct |
83 ms |
492 KB |
Output is correct |
46 |
Correct |
5 ms |
384 KB |
Output is correct |
47 |
Correct |
7 ms |
384 KB |
Output is correct |
48 |
Correct |
144 ms |
504 KB |
Output is correct |
49 |
Correct |
154 ms |
512 KB |
Output is correct |
50 |
Correct |
182 ms |
504 KB |
Output is correct |
51 |
Correct |
6 ms |
384 KB |
Output is correct |
52 |
Correct |
6 ms |
384 KB |
Output is correct |
53 |
Correct |
94 ms |
632 KB |
Output is correct |
54 |
Correct |
6 ms |
512 KB |
Output is correct |
55 |
Correct |
81 ms |
504 KB |
Output is correct |
56 |
Correct |
79 ms |
504 KB |
Output is correct |
57 |
Correct |
6 ms |
512 KB |
Output is correct |
58 |
Correct |
5 ms |
512 KB |
Output is correct |
59 |
Correct |
5 ms |
512 KB |
Output is correct |
60 |
Correct |
155 ms |
504 KB |
Output is correct |
61 |
Correct |
163 ms |
640 KB |
Output is correct |
62 |
Correct |
5 ms |
512 KB |
Output is correct |
63 |
Correct |
437 ms |
536 KB |
Output is correct |
64 |
Correct |
392 ms |
640 KB |
Output is correct |
65 |
Correct |
639 ms |
584 KB |
Output is correct |
66 |
Correct |
430 ms |
552 KB |
Output is correct |
67 |
Correct |
588 ms |
592 KB |
Output is correct |
68 |
Correct |
581 ms |
640 KB |
Output is correct |
69 |
Correct |
586 ms |
576 KB |
Output is correct |
70 |
Correct |
5 ms |
512 KB |
Output is correct |
71 |
Correct |
5 ms |
384 KB |
Output is correct |
72 |
Correct |
624 ms |
588 KB |
Output is correct |
73 |
Correct |
629 ms |
564 KB |
Output is correct |
74 |
Correct |
690 ms |
564 KB |
Output is correct |
75 |
Correct |
633 ms |
580 KB |
Output is correct |
76 |
Correct |
5 ms |
384 KB |
Output is correct |
77 |
Correct |
5 ms |
512 KB |
Output is correct |
78 |
Correct |
566 ms |
640 KB |
Output is correct |
79 |
Correct |
534 ms |
576 KB |
Output is correct |
80 |
Correct |
914 ms |
640 KB |
Output is correct |
81 |
Correct |
923 ms |
640 KB |
Output is correct |
82 |
Correct |
902 ms |
588 KB |
Output is correct |
83 |
Correct |
628 ms |
592 KB |
Output is correct |
84 |
Correct |
5 ms |
384 KB |
Output is correct |
85 |
Correct |
83 ms |
504 KB |
Output is correct |
86 |
Correct |
524 ms |
596 KB |
Output is correct |
87 |
Correct |
5 ms |
512 KB |
Output is correct |
88 |
Correct |
6 ms |
512 KB |
Output is correct |
89 |
Correct |
186 ms |
504 KB |
Output is correct |
90 |
Correct |
174 ms |
504 KB |
Output is correct |
91 |
Correct |
139 ms |
640 KB |
Output is correct |
92 |
Correct |
1110 ms |
644 KB |
Output is correct |
93 |
Correct |
1134 ms |
592 KB |
Output is correct |
94 |
Correct |
1178 ms |
592 KB |
Output is correct |
95 |
Correct |
5 ms |
384 KB |
Output is correct |
96 |
Correct |
6 ms |
384 KB |
Output is correct |
97 |
Correct |
704 ms |
588 KB |
Output is correct |
98 |
Correct |
109 ms |
644 KB |
Output is correct |
99 |
Correct |
625 ms |
576 KB |
Output is correct |
100 |
Correct |
5 ms |
384 KB |
Output is correct |
101 |
Correct |
93 ms |
504 KB |
Output is correct |
102 |
Correct |
110 ms |
500 KB |
Output is correct |
103 |
Correct |
574 ms |
580 KB |
Output is correct |
104 |
Correct |
5 ms |
384 KB |
Output is correct |
105 |
Correct |
6 ms |
384 KB |
Output is correct |
106 |
Correct |
5 ms |
384 KB |
Output is correct |
107 |
Correct |
156 ms |
504 KB |
Output is correct |
108 |
Correct |
138 ms |
500 KB |
Output is correct |
109 |
Correct |
1130 ms |
592 KB |
Output is correct |
110 |
Correct |
1080 ms |
592 KB |
Output is correct |
111 |
Correct |
6 ms |
384 KB |
Output is correct |