Submission #196896

# Submission time Handle Problem Language Result Execution time Memory
196896 2020-01-17T14:24:13 Z Juney Cave (IOI13_cave) C++14
100 / 100
867 ms 640 KB
#include "cave.h"
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 5e3 + 5;

int chk(int arr[]) { return tryCombination(arr); }

int done, dc[MAXN], door[MAXN], ans[MAXN], sw[MAXN];
int one[MAXN], A[MAXN];

void f(int l, int r, int col) {
	if(l == r) {
		done++;
		dc[done] = 1-col;
		door[done] = l;
		return;
	}
	int mid = l + r >> 1;
	for(int i=0; i<l; i++) A[i] = 1-col;
	for(int i=l; i<=mid; i++) A[i] = col;
	for(int i=mid+1; i<=r; i++) A[i] = 1-col;
	for(int i=0; i<=done; i++) A[door[i]] = dc[i];
	if(chk(A) == done+1) f(l, mid, col);
	else f(mid+1, r, col);
} 

void exploreCave(int N) {
	done = -1;
    for(int i=0; i<N; i++) one[i] = 1;
    for(int i=0; i<N; i++) {
		for(int j=0; j<=done; j++) one[door[j]] = dc[j];
		if(chk(one) == done+1) f(0, N-1, 1);
		else f(0, N-1, 0);
    }
	for(int i=0; i<N; i++) ans[door[i]] = i;
	for(int i=0; i<N; i++) sw[door[i]] = dc[i];
	answer(sw, ans);
}

Compilation message

cave.cpp: In function 'void f(int, int, int)':
cave.cpp:19:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid = l + r >> 1;
            ~~^~~
# Verdict Execution time Memory Grader output
1 Correct 572 ms 512 KB Output is correct
2 Correct 469 ms 524 KB Output is correct
3 Correct 754 ms 580 KB Output is correct
4 Correct 517 ms 640 KB Output is correct
5 Correct 828 ms 512 KB Output is correct
6 Correct 737 ms 512 KB Output is correct
7 Correct 807 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 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 754 ms 536 KB Output is correct
13 Correct 758 ms 520 KB Output is correct
14 Correct 741 ms 520 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 794 ms 512 KB Output is correct
2 Correct 6 ms 408 KB Output is correct
3 Correct 741 ms 512 KB Output is correct
4 Correct 5 ms 460 KB Output is correct
5 Correct 5 ms 396 KB Output is correct
6 Correct 743 ms 516 KB Output is correct
7 Correct 720 ms 548 KB Output is correct
8 Correct 789 ms 528 KB Output is correct
9 Correct 778 ms 512 KB Output is correct
10 Correct 785 ms 640 KB Output is correct
11 Correct 699 ms 536 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 396 KB Output is correct
3 Correct 5 ms 332 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 6 ms 512 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 396 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 6 ms 512 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
# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 396 KB Output is correct
3 Correct 5 ms 332 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 6 ms 512 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 396 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 6 ms 512 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
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 5 ms 512 KB Output is correct
20 Correct 113 ms 516 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 512 KB Output is correct
23 Correct 104 ms 472 KB Output is correct
24 Correct 114 ms 512 KB Output is correct
25 Correct 106 ms 516 KB Output is correct
26 Correct 5 ms 512 KB Output is correct
27 Correct 6 ms 384 KB Output is correct
28 Correct 113 ms 512 KB Output is correct
29 Correct 5 ms 452 KB Output is correct
30 Correct 114 ms 476 KB Output is correct
31 Correct 114 ms 472 KB Output is correct
32 Correct 6 ms 384 KB Output is correct
33 Correct 5 ms 512 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 109 ms 472 KB Output is correct
36 Correct 117 ms 460 KB Output is correct
37 Correct 5 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 572 ms 512 KB Output is correct
2 Correct 469 ms 524 KB Output is correct
3 Correct 754 ms 580 KB Output is correct
4 Correct 517 ms 640 KB Output is correct
5 Correct 828 ms 512 KB Output is correct
6 Correct 737 ms 512 KB Output is correct
7 Correct 807 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 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 754 ms 536 KB Output is correct
13 Correct 758 ms 520 KB Output is correct
14 Correct 741 ms 520 KB Output is correct
15 Correct 794 ms 512 KB Output is correct
16 Correct 6 ms 408 KB Output is correct
17 Correct 741 ms 512 KB Output is correct
18 Correct 5 ms 460 KB Output is correct
19 Correct 5 ms 396 KB Output is correct
20 Correct 743 ms 516 KB Output is correct
21 Correct 720 ms 548 KB Output is correct
22 Correct 789 ms 528 KB Output is correct
23 Correct 778 ms 512 KB Output is correct
24 Correct 785 ms 640 KB Output is correct
25 Correct 699 ms 536 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 396 KB Output is correct
28 Correct 5 ms 332 KB Output is correct
29 Correct 6 ms 384 KB Output is correct
30 Correct 5 ms 512 KB Output is correct
31 Correct 6 ms 512 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 5 ms 396 KB Output is correct
35 Correct 5 ms 512 KB Output is correct
36 Correct 6 ms 512 KB Output is correct
37 Correct 5 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 6 ms 384 KB Output is correct
40 Correct 5 ms 512 KB Output is correct
41 Correct 5 ms 384 KB Output is correct
42 Correct 5 ms 512 KB Output is correct
43 Correct 5 ms 512 KB Output is correct
44 Correct 5 ms 512 KB Output is correct
45 Correct 113 ms 516 KB Output is correct
46 Correct 5 ms 384 KB Output is correct
47 Correct 5 ms 512 KB Output is correct
48 Correct 104 ms 472 KB Output is correct
49 Correct 114 ms 512 KB Output is correct
50 Correct 106 ms 516 KB Output is correct
51 Correct 5 ms 512 KB Output is correct
52 Correct 6 ms 384 KB Output is correct
53 Correct 113 ms 512 KB Output is correct
54 Correct 5 ms 452 KB Output is correct
55 Correct 114 ms 476 KB Output is correct
56 Correct 114 ms 472 KB Output is correct
57 Correct 6 ms 384 KB Output is correct
58 Correct 5 ms 512 KB Output is correct
59 Correct 5 ms 384 KB Output is correct
60 Correct 109 ms 472 KB Output is correct
61 Correct 117 ms 460 KB Output is correct
62 Correct 5 ms 384 KB Output is correct
63 Correct 477 ms 528 KB Output is correct
64 Correct 481 ms 640 KB Output is correct
65 Correct 826 ms 512 KB Output is correct
66 Correct 536 ms 520 KB Output is correct
67 Correct 796 ms 640 KB Output is correct
68 Correct 756 ms 540 KB Output is correct
69 Correct 771 ms 552 KB Output is correct
70 Correct 5 ms 384 KB Output is correct
71 Correct 5 ms 512 KB Output is correct
72 Correct 722 ms 532 KB Output is correct
73 Correct 729 ms 532 KB Output is correct
74 Correct 750 ms 536 KB Output is correct
75 Correct 738 ms 512 KB Output is correct
76 Correct 6 ms 512 KB Output is correct
77 Correct 5 ms 384 KB Output is correct
78 Correct 805 ms 516 KB Output is correct
79 Correct 767 ms 512 KB Output is correct
80 Correct 867 ms 532 KB Output is correct
81 Correct 794 ms 512 KB Output is correct
82 Correct 822 ms 512 KB Output is correct
83 Correct 718 ms 512 KB Output is correct
84 Correct 5 ms 512 KB Output is correct
85 Correct 115 ms 504 KB Output is correct
86 Correct 740 ms 640 KB Output is correct
87 Correct 5 ms 384 KB Output is correct
88 Correct 5 ms 384 KB Output is correct
89 Correct 113 ms 384 KB Output is correct
90 Correct 96 ms 476 KB Output is correct
91 Correct 97 ms 504 KB Output is correct
92 Correct 782 ms 512 KB Output is correct
93 Correct 806 ms 640 KB Output is correct
94 Correct 815 ms 520 KB Output is correct
95 Correct 6 ms 512 KB Output is correct
96 Correct 6 ms 384 KB Output is correct
97 Correct 738 ms 548 KB Output is correct
98 Correct 109 ms 476 KB Output is correct
99 Correct 745 ms 512 KB Output is correct
100 Correct 6 ms 460 KB Output is correct
101 Correct 123 ms 516 KB Output is correct
102 Correct 112 ms 516 KB Output is correct
103 Correct 740 ms 512 KB Output is correct
104 Correct 6 ms 384 KB Output is correct
105 Correct 5 ms 384 KB Output is correct
106 Correct 6 ms 512 KB Output is correct
107 Correct 114 ms 472 KB Output is correct
108 Correct 116 ms 476 KB Output is correct
109 Correct 808 ms 528 KB Output is correct
110 Correct 759 ms 512 KB Output is correct
111 Correct 6 ms 420 KB Output is correct