답안 #101827

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
101827	2019-03-20T12:13:35 Z	KCSC	Snake Escaping (JOI18_snake_escaping)	C++14	100 / 100	1161 ms	43076 KB

snake_escaping

#include <bits/stdc++.h>
using namespace std;

const int DIM = 20;

char str[1 << DIM], aux[DIM];
int udp[1 << DIM], ddp[1 << DIM], cbit[1 << DIM];

int main(void) {
#ifdef HOME
	freopen("snake.in", "r", stdin);
	freopen("snake.out", "w", stdout);
#endif
	int n, q; scanf("%d %d\n%s\n", &n, &q, str);
	for (int msk = 0; msk < (1 << n); ++msk) {
		cbit[msk] = cbit[msk >> 1] + (msk & 1);
		udp[msk] = ddp[msk] = str[msk] - '0'; }
	for (int b = 0; b < n; ++b) {
		for (int msk = 0; msk < (1 << n); ++msk) {
			if (msk & (1 << b)) {
				udp[msk ^ (1 << b)] += udp[msk]; }
			else {
				ddp[msk ^ (1 << b)] += ddp[msk]; } } }
	while (q--) {
		int msk0 = 0, msk1 = 0, mskq = 0; 
		scanf("%s\n", aux); reverse(aux, aux + n);
		for (int i = 0; i < n; ++i) {
			if (aux[i] == '0') { msk0 ^= (1 << i); } 
			if (aux[i] == '1') { msk1 ^= (1 << i); }
			if (aux[i] == '?') { mskq ^= (1 << i); } }
		int ans = 0;
		if (cbit[mskq] <= 7) {
			for (int axm = mskq, nr = (1 << cbit[mskq]); nr; (--axm) &= mskq, --nr) {
				ans += str[axm ^ msk1] - '0'; } }
		else if (cbit[msk0] <= 7) {
			for (int axm = msk0, nr = (1 << cbit[msk0]); nr; (--axm) &= msk0, --nr) {
				ans += udp[msk1 ^ axm] * ((cbit[axm] & 1) ? -1 : 1); } }
		else if (cbit[msk1] <= 7) {
			for (int axm = msk1, nr = (1 << cbit[msk1]); nr; (--axm) &= msk1, --nr) {
				ans += ddp[mskq ^ msk1 ^ axm] * ((cbit[axm] & 1) ? -1 : 1); } }
		printf("%d\n", ans); }		   
	return 0; }

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:14:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int n, q; scanf("%d %d\n%s\n", &n, &q, str);
            ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
snake_escaping.cpp:26:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s\n", aux); reverse(aux, aux + n);
   ~~~~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	384 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	3 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	384 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	3 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	317 ms	4272 KB	Output is correct
12	Correct	343 ms	14808 KB	Output is correct
13	Correct	326 ms	14096 KB	Output is correct
14	Correct	292 ms	14216 KB	Output is correct
15	Correct	384 ms	15108 KB	Output is correct
16	Correct	321 ms	14200 KB	Output is correct
17	Correct	316 ms	14440 KB	Output is correct
18	Correct	231 ms	15992 KB	Output is correct
19	Correct	257 ms	13176 KB	Output is correct
20	Correct	359 ms	14712 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	384 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	3 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	317 ms	4272 KB	Output is correct
12	Correct	343 ms	14808 KB	Output is correct
13	Correct	326 ms	14096 KB	Output is correct
14	Correct	292 ms	14216 KB	Output is correct
15	Correct	384 ms	15108 KB	Output is correct
16	Correct	321 ms	14200 KB	Output is correct
17	Correct	316 ms	14440 KB	Output is correct
18	Correct	231 ms	15992 KB	Output is correct
19	Correct	257 ms	13176 KB	Output is correct
20	Correct	359 ms	14712 KB	Output is correct
21	Correct	491 ms	18100 KB	Output is correct
22	Correct	435 ms	18392 KB	Output is correct
23	Correct	401 ms	17276 KB	Output is correct
24	Correct	367 ms	17144 KB	Output is correct
25	Correct	390 ms	19144 KB	Output is correct
26	Correct	432 ms	17656 KB	Output is correct
27	Correct	428 ms	17656 KB	Output is correct
28	Correct	289 ms	20080 KB	Output is correct
29	Correct	394 ms	16144 KB	Output is correct
30	Correct	460 ms	18424 KB	Output is correct
31	Correct	402 ms	18168 KB	Output is correct
32	Correct	383 ms	18040 KB	Output is correct
33	Correct	330 ms	17144 KB	Output is correct
34	Correct	355 ms	17116 KB	Output is correct
35	Correct	376 ms	17624 KB	Output is correct
36	Correct	305 ms	16120 KB	Output is correct
37	Correct	414 ms	18168 KB	Output is correct
38	Correct	335 ms	16120 KB	Output is correct
39	Correct	391 ms	17272 KB	Output is correct
40	Correct	380 ms	17244 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	384 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	3 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	81 ms	14172 KB	Output is correct
12	Correct	80 ms	14320 KB	Output is correct
13	Correct	88 ms	14240 KB	Output is correct
14	Correct	99 ms	14204 KB	Output is correct
15	Correct	91 ms	14328 KB	Output is correct
16	Correct	116 ms	14300 KB	Output is correct
17	Correct	91 ms	14276 KB	Output is correct
18	Correct	69 ms	14456 KB	Output is correct
19	Correct	77 ms	14208 KB	Output is correct
20	Correct	78 ms	14332 KB	Output is correct
21	Correct	123 ms	14376 KB	Output is correct
22	Correct	95 ms	14388 KB	Output is correct
23	Correct	81 ms	14328 KB	Output is correct
24	Correct	98 ms	14328 KB	Output is correct
25	Correct	108 ms	14364 KB	Output is correct
26	Correct	60 ms	14200 KB	Output is correct
27	Correct	71 ms	14328 KB	Output is correct
28	Correct	75 ms	14200 KB	Output is correct
29	Correct	87 ms	14328 KB	Output is correct
30	Correct	96 ms	14328 KB	Output is correct
31	Correct	78 ms	14204 KB	Output is correct
32	Correct	107 ms	14328 KB	Output is correct
33	Correct	92 ms	14328 KB	Output is correct
34	Correct	65 ms	14200 KB	Output is correct
35	Correct	96 ms	14268 KB	Output is correct
36	Correct	87 ms	14200 KB	Output is correct
37	Correct	83 ms	14328 KB	Output is correct
38	Correct	92 ms	14328 KB	Output is correct
39	Correct	82 ms	14328 KB	Output is correct
40	Correct	83 ms	14304 KB	Output is correct

Subtask #5
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	384 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	3 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	3 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	317 ms	4272 KB	Output is correct
12	Correct	343 ms	14808 KB	Output is correct
13	Correct	326 ms	14096 KB	Output is correct
14	Correct	292 ms	14216 KB	Output is correct
15	Correct	384 ms	15108 KB	Output is correct
16	Correct	321 ms	14200 KB	Output is correct
17	Correct	316 ms	14440 KB	Output is correct
18	Correct	231 ms	15992 KB	Output is correct
19	Correct	257 ms	13176 KB	Output is correct
20	Correct	359 ms	14712 KB	Output is correct
21	Correct	491 ms	18100 KB	Output is correct
22	Correct	435 ms	18392 KB	Output is correct
23	Correct	401 ms	17276 KB	Output is correct
24	Correct	367 ms	17144 KB	Output is correct
25	Correct	390 ms	19144 KB	Output is correct
26	Correct	432 ms	17656 KB	Output is correct
27	Correct	428 ms	17656 KB	Output is correct
28	Correct	289 ms	20080 KB	Output is correct
29	Correct	394 ms	16144 KB	Output is correct
30	Correct	460 ms	18424 KB	Output is correct
31	Correct	402 ms	18168 KB	Output is correct
32	Correct	383 ms	18040 KB	Output is correct
33	Correct	330 ms	17144 KB	Output is correct
34	Correct	355 ms	17116 KB	Output is correct
35	Correct	376 ms	17624 KB	Output is correct
36	Correct	305 ms	16120 KB	Output is correct
37	Correct	414 ms	18168 KB	Output is correct
38	Correct	335 ms	16120 KB	Output is correct
39	Correct	391 ms	17272 KB	Output is correct
40	Correct	380 ms	17244 KB	Output is correct
41	Correct	81 ms	14172 KB	Output is correct
42	Correct	80 ms	14320 KB	Output is correct
43	Correct	88 ms	14240 KB	Output is correct
44	Correct	99 ms	14204 KB	Output is correct
45	Correct	91 ms	14328 KB	Output is correct
46	Correct	116 ms	14300 KB	Output is correct
47	Correct	91 ms	14276 KB	Output is correct
48	Correct	69 ms	14456 KB	Output is correct
49	Correct	77 ms	14208 KB	Output is correct
50	Correct	78 ms	14332 KB	Output is correct
51	Correct	123 ms	14376 KB	Output is correct
52	Correct	95 ms	14388 KB	Output is correct
53	Correct	81 ms	14328 KB	Output is correct
54	Correct	98 ms	14328 KB	Output is correct
55	Correct	108 ms	14364 KB	Output is correct
56	Correct	60 ms	14200 KB	Output is correct
57	Correct	71 ms	14328 KB	Output is correct
58	Correct	75 ms	14200 KB	Output is correct
59	Correct	87 ms	14328 KB	Output is correct
60	Correct	96 ms	14328 KB	Output is correct
61	Correct	78 ms	14204 KB	Output is correct
62	Correct	107 ms	14328 KB	Output is correct
63	Correct	92 ms	14328 KB	Output is correct
64	Correct	65 ms	14200 KB	Output is correct
65	Correct	96 ms	14268 KB	Output is correct
66	Correct	87 ms	14200 KB	Output is correct
67	Correct	83 ms	14328 KB	Output is correct
68	Correct	92 ms	14328 KB	Output is correct
69	Correct	82 ms	14328 KB	Output is correct
70	Correct	83 ms	14304 KB	Output is correct
71	Correct	640 ms	40108 KB	Output is correct
72	Correct	782 ms	40444 KB	Output is correct
73	Correct	701 ms	38832 KB	Output is correct
74	Correct	855 ms	39288 KB	Output is correct
75	Correct	660 ms	41152 KB	Output is correct
76	Correct	1020 ms	39584 KB	Output is correct
77	Correct	968 ms	39348 KB	Output is correct
78	Correct	419 ms	43076 KB	Output is correct
79	Correct	457 ms	37276 KB	Output is correct
80	Correct	697 ms	40264 KB	Output is correct
81	Correct	1063 ms	40228 KB	Output is correct
82	Correct	887 ms	39184 KB	Output is correct
83	Correct	565 ms	38364 KB	Output is correct
84	Correct	677 ms	39180 KB	Output is correct
85	Correct	938 ms	39364 KB	Output is correct
86	Correct	322 ms	37244 KB	Output is correct
87	Correct	660 ms	40176 KB	Output is correct
88	Correct	523 ms	37220 KB	Output is correct
89	Correct	726 ms	38856 KB	Output is correct
90	Correct	671 ms	39160 KB	Output is correct
91	Correct	500 ms	38320 KB	Output is correct
92	Correct	976 ms	39612 KB	Output is correct
93	Correct	1161 ms	39656 KB	Output is correct
94	Correct	378 ms	37216 KB	Output is correct
95	Correct	873 ms	39416 KB	Output is correct
96	Correct	871 ms	39376 KB	Output is correct
97	Correct	923 ms	39388 KB	Output is correct
98	Correct	876 ms	39388 KB	Output is correct
99	Correct	701 ms	39416 KB	Output is correct
100	Correct	803 ms	39292 KB	Output is correct

답안 #101827

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