oj.uz

Submission #17212

# Submission time Handle Problem Language Result Execution time Memory
17212 2015-11-08T09:20:01 Z erdemkiraz Cave (IOI13_cave) C++
100 / 100
 1369 ms 632 KB 
#include <bits/stdc++.h>

using namespace std;

#define type(x) __typeof((x).begin())
#define foreach(it, x) for(type(x) it = (x).begin(); it != (x).end(); it++)
typedef long long ll;
typedef pair < int, int > ii;

const int inf = 1e9 + 333;
const ll linf = 1e18 + inf;

#include "cave.h"

const int N = 5000 + 5;

int n;
int a[N], q[N], ans[N];

int f(int x, int k) {
	for(int i = 0; i < n; i++) {
		if(a[i] != -1)
			q[i] = a[i];
		else if(i <= x)
			q[i] = k;
		else
			q[i] = !k;
	}
	return tryCombination(q);
}

void exploreCave(int n) {
	:: n = n;
	memset(a, -1, sizeof(a));
	for(int i = 0; i < n; i++) {
		if(f(n - 1, 0) != i) {
			//open -> 0
			int l = 0, r = n - 1;
			while(l < r) {
				int m = l + r >> 1;
				if(f(m, 0) == i)
					l = m + 1;
				else
					r = m;
			}
			ans[l] = i;
			a[l] = 0;
			//printf("i = %d l = %d\n", i, l);
		}
		else {
			//open -> 1
			int l = 0, r = n - 1;
			while(l < r) {
				int m = l + r >> 1;
				if(f(m, 1) == i)
					l = m + 1;
				else
					r = m;
			}
			ans[l] = i;
			a[l] = 1;
			//printf("i = %d l = %d\n", i, l);
		}
	}
	answer(a, ans);
}

Compilation message

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:40:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int m = l + r >> 1;
             ~~^~~
cave.cpp:54:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int m = l + r >> 1;
             ~~^~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 437 ms 456 KB Output is correct
2 Correct 354 ms 476 KB Output is correct
3 Correct 618 ms 480 KB Output is correct
4 Correct 397 ms 468 KB Output is correct
5 Correct 665 ms 468 KB Output is correct
6 Correct 582 ms 480 KB Output is correct
7 Correct 631 ms 472 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 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 623 ms 520 KB Output is correct
13 Correct 580 ms 480 KB Output is correct
14 Correct 617 ms 484 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 644 ms 468 KB Output is correct
2 Correct 5 ms 436 KB Output is correct
3 Correct 651 ms 484 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 551 ms 488 KB Output is correct
7 Correct 574 ms 384 KB Output is correct
8 Correct 1177 ms 476 KB Output is correct
9 Correct 1205 ms 472 KB Output is correct
10 Correct 1243 ms 476 KB Output is correct
11 Correct 639 ms 504 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 360 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 304 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 384 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 6 ms 304 KB Output is correct
14 Correct 5 ms 384 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 360 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 304 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 384 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 6 ms 304 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 360 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 80 ms 440 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 158 ms 436 KB Output is correct
24 Correct 154 ms 436 KB Output is correct
25 Correct 153 ms 468 KB Output is correct
26 Correct 6 ms 384 KB Output is correct
27 Correct 6 ms 304 KB Output is correct
28 Correct 92 ms 384 KB Output is correct
29 Correct 6 ms 384 KB Output is correct
30 Correct 80 ms 440 KB Output is correct
31 Correct 77 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 6 ms 416 KB Output is correct
35 Correct 157 ms 384 KB Output is correct
36 Correct 161 ms 440 KB Output is correct
37 Correct 5 ms 384 KB Output is correct

Subtask #5
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 644 ms 468 KB Output is correct
2 Correct 5 ms 436 KB Output is correct
3 Correct 651 ms 484 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 551 ms 488 KB Output is correct
7 Correct 574 ms 384 KB Output is correct
8 Correct 1177 ms 476 KB Output is correct
9 Correct 1205 ms 472 KB Output is correct
10 Correct 1243 ms 476 KB Output is correct
11 Correct 639 ms 504 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 360 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 304 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 6 ms 384 KB Output is correct
24 Correct 6 ms 304 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 360 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 80 ms 440 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 158 ms 436 KB Output is correct
35 Correct 154 ms 436 KB Output is correct
36 Correct 153 ms 468 KB Output is correct
37 Correct 6 ms 384 KB Output is correct
38 Correct 6 ms 304 KB Output is correct
39 Correct 92 ms 384 KB Output is correct
40 Correct 6 ms 384 KB Output is correct
41 Correct 80 ms 440 KB Output is correct
42 Correct 77 ms 384 KB Output is correct
43 Correct 5 ms 384 KB Output is correct
44 Correct 5 ms 384 KB Output is correct
45 Correct 6 ms 416 KB Output is correct
46 Correct 157 ms 384 KB Output is correct
47 Correct 161 ms 440 KB Output is correct
48 Correct 5 ms 384 KB Output is correct
49 Correct 336 ms 476 KB Output is correct
50 Correct 433 ms 472 KB Output is correct
51 Correct 621 ms 480 KB Output is correct
52 Correct 396 ms 596 KB Output is correct
53 Correct 614 ms 484 KB Output is correct
54 Correct 645 ms 484 KB Output is correct
55 Correct 608 ms 472 KB Output is correct
56 Correct 5 ms 384 KB Output is correct
57 Correct 5 ms 432 KB Output is correct
58 Correct 585 ms 476 KB Output is correct
59 Correct 619 ms 480 KB Output is correct
60 Correct 565 ms 460 KB Output is correct
61 Correct 627 ms 460 KB Output is correct
62 Correct 5 ms 304 KB Output is correct
63 Correct 6 ms 304 KB Output is correct
64 Correct 634 ms 588 KB Output is correct
65 Correct 545 ms 484 KB Output is correct
66 Correct 1248 ms 472 KB Output is correct
67 Correct 1238 ms 512 KB Output is correct
68 Correct 1242 ms 480 KB Output is correct
69 Correct 611 ms 480 KB Output is correct
70 Correct 6 ms 304 KB Output is correct
71 Correct 86 ms 432 KB Output is correct
72 Correct 577 ms 468 KB Output is correct
73 Correct 3 ms 384 KB Output is correct
74 Correct 5 ms 384 KB Output is correct
75 Correct 184 ms 432 KB Output is correct
76 Correct 185 ms 468 KB Output is correct
77 Correct 161 ms 436 KB Output is correct
78 Correct 1369 ms 512 KB Output is correct
79 Correct 1343 ms 512 KB Output is correct
80 Correct 1343 ms 516 KB Output is correct
81 Correct 6 ms 404 KB Output is correct
82 Correct 6 ms 384 KB Output is correct
83 Correct 496 ms 524 KB Output is correct
84 Correct 80 ms 508 KB Output is correct
85 Correct 588 ms 508 KB Output is correct
86 Correct 5 ms 408 KB Output is correct
87 Correct 78 ms 452 KB Output is correct
88 Correct 98 ms 456 KB Output is correct
89 Correct 538 ms 632 KB Output is correct
90 Correct 5 ms 432 KB Output is correct
91 Correct 5 ms 304 KB Output is correct
92 Correct 5 ms 432 KB Output is correct
93 Correct 160 ms 456 KB Output is correct
94 Correct 171 ms 452 KB Output is correct
95 Correct 1267 ms 516 KB Output is correct
96 Correct 1216 ms 516 KB Output is correct
97 Correct 6 ms 416 KB Output is correct