답안 #330185

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
330185	2020-11-24T06:11:29 Z	Kevin_Zhang_TW	Snake Escaping (JOI18_snake_escaping)	C++17	100 / 100	1785 ms	35180 KB

snake_escaping

#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("popcnt")
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T>
bool chmax(T &a, T b) { return a < b ? (a = b, true) : false; }
template<class T> 
bool chmin(T &a, T b) { return b < a ? (a = b, true) : false; }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U>
void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
template<class T>
void debug(T L, T R) { while (L != R) cerr << *L << " \n"[next(L) == R], ++L; }
#else
#define DE(...) 0
#define debug(...) 0
#endif

const int MAX_N = 20;
int n, q;
char w[(1<<MAX_N) + 10], com[MAX_N << 1];
int dp[1<<MAX_N];
void init() {
	for (int i = 0;i < 1<<n;++i)
		dp[i] = w[i] - '0';
	for (int i = 0;i < n;++i)
		for (int s = 0;s < 1<<n;++s)
			if (s>>i&1)
				dp[s] += dp[s^(1<<i)];
}
int32_t main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> n >> q >> w;
	init();
	for (int i = 0;i < q;++i) {
		cin >> com;
		int l = 0, r = (1<<n) - 1, sub = 0;
		reverse(com, com + n);
		for (int i = 0;i < n;++i) {
			if (com[i] == '0') r ^= 1<<i;
			if (com[i] == '1') l ^= 1<<i;
			if (com[i] == '?') sub |= 1<<i;
		} 
		int res = 0;
		if (__builtin_popcount(sub) <= 10) {
			for (int s = sub ; s ;(--s) &= sub) {
				res += w[l | s] - '0';
			}
			res += w[l] - '0';
		}
		else {
			int ls = __builtin_popcount(l);
			for (int s = l ; s ; (--s) &= l) {
				int x = ((__builtin_popcount(s)^ls)&1?-1:1) * dp[s | sub];
				res += x;
			} 
			res += (ls&1?-1:1) * dp[sub];
			DE(res);
		} 
		cout << abs(res) << '\n';
	}
}

Compilation message

snake_escaping.cpp: In function 'int32_t main()':
snake_escaping.cpp:20:17: warning: statement has no effect [-Wunused-value]
   20 | #define DE(...) 0
      |                 ^
snake_escaping.cpp:63:4: note: in expansion of macro 'DE'
   63 |    DE(res);
      |    ^~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	2 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	2 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	267 ms	4332 KB	Output is correct
12	Correct	266 ms	4204 KB	Output is correct
13	Correct	228 ms	3308 KB	Output is correct
14	Correct	228 ms	3436 KB	Output is correct
15	Correct	292 ms	4332 KB	Output is correct
16	Correct	267 ms	3820 KB	Output is correct
17	Correct	258 ms	3564 KB	Output is correct
18	Correct	1369 ms	5396 KB	Output is correct
19	Correct	232 ms	2412 KB	Output is correct
20	Correct	312 ms	4076 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	2 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	267 ms	4332 KB	Output is correct
12	Correct	266 ms	4204 KB	Output is correct
13	Correct	228 ms	3308 KB	Output is correct
14	Correct	228 ms	3436 KB	Output is correct
15	Correct	292 ms	4332 KB	Output is correct
16	Correct	267 ms	3820 KB	Output is correct
17	Correct	258 ms	3564 KB	Output is correct
18	Correct	1369 ms	5396 KB	Output is correct
19	Correct	232 ms	2412 KB	Output is correct
20	Correct	312 ms	4076 KB	Output is correct
21	Correct	408 ms	4588 KB	Output is correct
22	Correct	409 ms	4716 KB	Output is correct
23	Correct	260 ms	3564 KB	Output is correct
24	Correct	256 ms	3564 KB	Output is correct
25	Correct	522 ms	5484 KB	Output is correct
26	Correct	307 ms	3948 KB	Output is correct
27	Correct	310 ms	3948 KB	Output is correct
28	Correct	216 ms	17212 KB	Output is correct
29	Correct	260 ms	16108 KB	Output is correct
30	Correct	476 ms	18284 KB	Output is correct
31	Correct	326 ms	18156 KB	Output is correct
32	Correct	286 ms	18220 KB	Output is correct
33	Correct	271 ms	17132 KB	Output is correct
34	Correct	276 ms	17132 KB	Output is correct
35	Correct	314 ms	17644 KB	Output is correct
36	Correct	200 ms	16108 KB	Output is correct
37	Correct	286 ms	18148 KB	Output is correct
38	Correct	265 ms	16108 KB	Output is correct
39	Correct	300 ms	17388 KB	Output is correct
40	Correct	269 ms	17132 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	2 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	108 ms	5740 KB	Output is correct
12	Correct	60 ms	5740 KB	Output is correct
13	Correct	45 ms	5740 KB	Output is correct
14	Correct	50 ms	5612 KB	Output is correct
15	Correct	43 ms	5740 KB	Output is correct
16	Correct	61 ms	5740 KB	Output is correct
17	Correct	56 ms	5740 KB	Output is correct
18	Correct	38 ms	6892 KB	Output is correct
19	Correct	43 ms	7660 KB	Output is correct
20	Correct	84 ms	7788 KB	Output is correct
21	Correct	114 ms	7788 KB	Output is correct
22	Correct	54 ms	7788 KB	Output is correct
23	Correct	44 ms	7660 KB	Output is correct
24	Correct	49 ms	7788 KB	Output is correct
25	Correct	57 ms	7788 KB	Output is correct
26	Correct	37 ms	7660 KB	Output is correct
27	Correct	105 ms	7788 KB	Output is correct
28	Correct	44 ms	7660 KB	Output is correct
29	Correct	49 ms	7788 KB	Output is correct
30	Correct	48 ms	7788 KB	Output is correct
31	Correct	41 ms	7660 KB	Output is correct
32	Correct	59 ms	7788 KB	Output is correct
33	Correct	59 ms	7788 KB	Output is correct
34	Correct	38 ms	7660 KB	Output is correct
35	Correct	59 ms	7788 KB	Output is correct
36	Correct	60 ms	7788 KB	Output is correct
37	Correct	60 ms	7700 KB	Output is correct
38	Correct	60 ms	7788 KB	Output is correct
39	Correct	61 ms	7788 KB	Output is correct
40	Correct	59 ms	7788 KB	Output is correct

Subtask #5
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	2 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	267 ms	4332 KB	Output is correct
12	Correct	266 ms	4204 KB	Output is correct
13	Correct	228 ms	3308 KB	Output is correct
14	Correct	228 ms	3436 KB	Output is correct
15	Correct	292 ms	4332 KB	Output is correct
16	Correct	267 ms	3820 KB	Output is correct
17	Correct	258 ms	3564 KB	Output is correct
18	Correct	1369 ms	5396 KB	Output is correct
19	Correct	232 ms	2412 KB	Output is correct
20	Correct	312 ms	4076 KB	Output is correct
21	Correct	408 ms	4588 KB	Output is correct
22	Correct	409 ms	4716 KB	Output is correct
23	Correct	260 ms	3564 KB	Output is correct
24	Correct	256 ms	3564 KB	Output is correct
25	Correct	522 ms	5484 KB	Output is correct
26	Correct	307 ms	3948 KB	Output is correct
27	Correct	310 ms	3948 KB	Output is correct
28	Correct	216 ms	17212 KB	Output is correct
29	Correct	260 ms	16108 KB	Output is correct
30	Correct	476 ms	18284 KB	Output is correct
31	Correct	326 ms	18156 KB	Output is correct
32	Correct	286 ms	18220 KB	Output is correct
33	Correct	271 ms	17132 KB	Output is correct
34	Correct	276 ms	17132 KB	Output is correct
35	Correct	314 ms	17644 KB	Output is correct
36	Correct	200 ms	16108 KB	Output is correct
37	Correct	286 ms	18148 KB	Output is correct
38	Correct	265 ms	16108 KB	Output is correct
39	Correct	300 ms	17388 KB	Output is correct
40	Correct	269 ms	17132 KB	Output is correct
41	Correct	108 ms	5740 KB	Output is correct
42	Correct	60 ms	5740 KB	Output is correct
43	Correct	45 ms	5740 KB	Output is correct
44	Correct	50 ms	5612 KB	Output is correct
45	Correct	43 ms	5740 KB	Output is correct
46	Correct	61 ms	5740 KB	Output is correct
47	Correct	56 ms	5740 KB	Output is correct
48	Correct	38 ms	6892 KB	Output is correct
49	Correct	43 ms	7660 KB	Output is correct
50	Correct	84 ms	7788 KB	Output is correct
51	Correct	114 ms	7788 KB	Output is correct
52	Correct	54 ms	7788 KB	Output is correct
53	Correct	44 ms	7660 KB	Output is correct
54	Correct	49 ms	7788 KB	Output is correct
55	Correct	57 ms	7788 KB	Output is correct
56	Correct	37 ms	7660 KB	Output is correct
57	Correct	105 ms	7788 KB	Output is correct
58	Correct	44 ms	7660 KB	Output is correct
59	Correct	49 ms	7788 KB	Output is correct
60	Correct	48 ms	7788 KB	Output is correct
61	Correct	41 ms	7660 KB	Output is correct
62	Correct	59 ms	7788 KB	Output is correct
63	Correct	59 ms	7788 KB	Output is correct
64	Correct	38 ms	7660 KB	Output is correct
65	Correct	59 ms	7788 KB	Output is correct
66	Correct	60 ms	7788 KB	Output is correct
67	Correct	60 ms	7700 KB	Output is correct
68	Correct	60 ms	7788 KB	Output is correct
69	Correct	61 ms	7788 KB	Output is correct
70	Correct	59 ms	7788 KB	Output is correct
71	Correct	1733 ms	32236 KB	Output is correct
72	Correct	732 ms	32492 KB	Output is correct
73	Correct	420 ms	30828 KB	Output is correct
74	Correct	558 ms	31084 KB	Output is correct
75	Correct	382 ms	33132 KB	Output is correct
76	Correct	694 ms	31596 KB	Output is correct
77	Correct	664 ms	31340 KB	Output is correct
78	Correct	285 ms	35180 KB	Output is correct
79	Correct	383 ms	29124 KB	Output is correct
80	Correct	1185 ms	32236 KB	Output is correct
81	Correct	1785 ms	32236 KB	Output is correct
82	Correct	567 ms	31084 KB	Output is correct
83	Correct	381 ms	30248 KB	Output is correct
84	Correct	467 ms	31084 KB	Output is correct
85	Correct	661 ms	31340 KB	Output is correct
86	Correct	248 ms	29060 KB	Output is correct
87	Correct	1618 ms	32108 KB	Output is correct
88	Correct	375 ms	29292 KB	Output is correct
89	Correct	475 ms	30828 KB	Output is correct
90	Correct	466 ms	31212 KB	Output is correct
91	Correct	337 ms	30444 KB	Output is correct
92	Correct	709 ms	31724 KB	Output is correct
93	Correct	659 ms	31340 KB	Output is correct
94	Correct	261 ms	29036 KB	Output is correct
95	Correct	704 ms	31200 KB	Output is correct
96	Correct	707 ms	31212 KB	Output is correct
97	Correct	702 ms	31352 KB	Output is correct
98	Correct	714 ms	31240 KB	Output is correct
99	Correct	709 ms	31244 KB	Output is correct
100	Correct	698 ms	31212 KB	Output is correct

답안 #330185

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 10.0 / 10.0

Subtask #4 53.0 / 53.0

Subtask #5 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
10.0 / 10.0

Subtask #4
53.0 / 53.0

Subtask #5
25.0 / 25.0