답안 #125624

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
125624	2019-07-06T05:34:04 Z	gs14004	Snake Escaping (JOI18_snake_escaping)	C++17	100 / 100	1169 ms	43256 KB

snake_escaping

#include <bits/stdc++.h>
using namespace std;
typedef long long lint;
typedef pair<lint, lint> pi;
const int MAXN = (1<<20) + 5;

int n, q;
int cnt1[MAXN];
int cnt2[MAXN];
int pcnt[MAXN];
char str[MAXN];

char buf[25];

int main(){
	scanf("%d %d",&n,&q);
	scanf("%s", str);
	for(int i=0; i<(1<<n); i++){
		if(i) pcnt[i] = pcnt[i-(i&-i)] + 1;
		cnt1[i ^ ((1<<n) - 1)] += str[i] - '0';
		cnt2[i] += str[i] - '0';
	}
	for(int i=0; i<n; i++){
		for(int j=0; j<(1<<n); j++){
			if((j >> i) % 2 == 0){
				cnt1[j] += cnt1[j | (1<<i)];
				cnt2[j] += cnt2[j | (1<<i)];
			}
		}
	}
	for(int i=0; i<q; i++){
		scanf("%s", buf);
		reverse(buf, buf + n);
		int cnt[3] = {};
		for(int j=0; buf[j]; j++){
			if(buf[j] == '?') cnt[2]++;
			else cnt[buf[j] - '0']++;
		}
		int ans = 0;
		if(cnt[0] <= n/3){
			int msk = 0, tmsk = 0;
			for(int j=0; buf[j]; j++){
				if(buf[j] == '0') tmsk |= 1<<j;
				if(buf[j] == '1') msk |= 1<<j;
			}
			ans += cnt2[msk];
			for(int i=tmsk; i>0; i=(i-1)&tmsk){
				ans += cnt2[i | msk] * (pcnt[i] % 2 ? -1 : 1);
			}
		}
		else if(cnt[1] <= n/3){
			int msk = 0, tmsk = 0;
			for(int j=0; buf[j]; j++){
				if(buf[j] == '0') msk |= 1<<j;
				if(buf[j] == '1') tmsk |= 1<<j;
			}
			ans += cnt1[msk];
			for(int i=tmsk; i>0; i=(i-1)&tmsk){
				ans += cnt1[i | msk] * (pcnt[i] % 2 ? -1 : 1);
			}
		}
		else if(cnt[2] <= n/3){
			int msk = 0, tmsk = 0;
			for(int j=0; buf[j]; j++){
				if(buf[j] == '1') msk |= 1<<j;
				if(buf[j] == '?') tmsk |= 1<<j;
			}
			ans += str[msk] - '0';
			for(int i=tmsk; i>0; i=(i-1)&tmsk){
				ans += str[i | msk] - '0';
			}
		}
		printf("%d\n", ans);
	}
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&q);
  ~~~~~^~~~~~~~~~~~~~~
snake_escaping.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", str);
  ~~~~~^~~~~~~~~~~
snake_escaping.cpp:32:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", buf);
   ~~~~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	424 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	424 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	288 ms	15116 KB	Output is correct
12	Correct	363 ms	14752 KB	Output is correct
13	Correct	352 ms	14124 KB	Output is correct
14	Correct	330 ms	14120 KB	Output is correct
15	Correct	327 ms	15148 KB	Output is correct
16	Correct	352 ms	14448 KB	Output is correct
17	Correct	373 ms	14300 KB	Output is correct
18	Correct	243 ms	16072 KB	Output is correct
19	Correct	298 ms	13252 KB	Output is correct
20	Correct	308 ms	14804 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	424 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	288 ms	15116 KB	Output is correct
12	Correct	363 ms	14752 KB	Output is correct
13	Correct	352 ms	14124 KB	Output is correct
14	Correct	330 ms	14120 KB	Output is correct
15	Correct	327 ms	15148 KB	Output is correct
16	Correct	352 ms	14448 KB	Output is correct
17	Correct	373 ms	14300 KB	Output is correct
18	Correct	243 ms	16072 KB	Output is correct
19	Correct	298 ms	13252 KB	Output is correct
20	Correct	308 ms	14804 KB	Output is correct
21	Correct	376 ms	18208 KB	Output is correct
22	Correct	450 ms	18296 KB	Output is correct
23	Correct	452 ms	17320 KB	Output is correct
24	Correct	451 ms	17236 KB	Output is correct
25	Correct	402 ms	19276 KB	Output is correct
26	Correct	464 ms	17688 KB	Output is correct
27	Correct	463 ms	17656 KB	Output is correct
28	Correct	268 ms	20232 KB	Output is correct
29	Correct	367 ms	16120 KB	Output is correct
30	Correct	392 ms	18424 KB	Output is correct
31	Correct	446 ms	18296 KB	Output is correct
32	Correct	453 ms	18168 KB	Output is correct
33	Correct	399 ms	17060 KB	Output is correct
34	Correct	473 ms	17272 KB	Output is correct
35	Correct	463 ms	17620 KB	Output is correct
36	Correct	279 ms	16248 KB	Output is correct
37	Correct	426 ms	18100 KB	Output is correct
38	Correct	389 ms	16120 KB	Output is correct
39	Correct	435 ms	17400 KB	Output is correct
40	Correct	441 ms	17400 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	424 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	73 ms	15992 KB	Output is correct
12	Correct	80 ms	15992 KB	Output is correct
13	Correct	83 ms	15864 KB	Output is correct
14	Correct	89 ms	15888 KB	Output is correct
15	Correct	76 ms	15992 KB	Output is correct
16	Correct	89 ms	15932 KB	Output is correct
17	Correct	103 ms	16052 KB	Output is correct
18	Correct	71 ms	16112 KB	Output is correct
19	Correct	79 ms	15992 KB	Output is correct
20	Correct	73 ms	15996 KB	Output is correct
21	Correct	81 ms	15992 KB	Output is correct
22	Correct	87 ms	15992 KB	Output is correct
23	Correct	77 ms	15848 KB	Output is correct
24	Correct	89 ms	15864 KB	Output is correct
25	Correct	93 ms	15852 KB	Output is correct
26	Correct	68 ms	15740 KB	Output is correct
27	Correct	76 ms	15992 KB	Output is correct
28	Correct	77 ms	15744 KB	Output is correct
29	Correct	89 ms	15864 KB	Output is correct
30	Correct	80 ms	15864 KB	Output is correct
31	Correct	76 ms	15856 KB	Output is correct
32	Correct	91 ms	15992 KB	Output is correct
33	Correct	90 ms	15964 KB	Output is correct
34	Correct	64 ms	15864 KB	Output is correct
35	Correct	87 ms	15992 KB	Output is correct
36	Correct	86 ms	15992 KB	Output is correct
37	Correct	84 ms	15992 KB	Output is correct
38	Correct	87 ms	15992 KB	Output is correct
39	Correct	87 ms	15992 KB	Output is correct
40	Correct	85 ms	15864 KB	Output is correct

Subtask #5
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	424 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	288 ms	15116 KB	Output is correct
12	Correct	363 ms	14752 KB	Output is correct
13	Correct	352 ms	14124 KB	Output is correct
14	Correct	330 ms	14120 KB	Output is correct
15	Correct	327 ms	15148 KB	Output is correct
16	Correct	352 ms	14448 KB	Output is correct
17	Correct	373 ms	14300 KB	Output is correct
18	Correct	243 ms	16072 KB	Output is correct
19	Correct	298 ms	13252 KB	Output is correct
20	Correct	308 ms	14804 KB	Output is correct
21	Correct	376 ms	18208 KB	Output is correct
22	Correct	450 ms	18296 KB	Output is correct
23	Correct	452 ms	17320 KB	Output is correct
24	Correct	451 ms	17236 KB	Output is correct
25	Correct	402 ms	19276 KB	Output is correct
26	Correct	464 ms	17688 KB	Output is correct
27	Correct	463 ms	17656 KB	Output is correct
28	Correct	268 ms	20232 KB	Output is correct
29	Correct	367 ms	16120 KB	Output is correct
30	Correct	392 ms	18424 KB	Output is correct
31	Correct	446 ms	18296 KB	Output is correct
32	Correct	453 ms	18168 KB	Output is correct
33	Correct	399 ms	17060 KB	Output is correct
34	Correct	473 ms	17272 KB	Output is correct
35	Correct	463 ms	17620 KB	Output is correct
36	Correct	279 ms	16248 KB	Output is correct
37	Correct	426 ms	18100 KB	Output is correct
38	Correct	389 ms	16120 KB	Output is correct
39	Correct	435 ms	17400 KB	Output is correct
40	Correct	441 ms	17400 KB	Output is correct
41	Correct	73 ms	15992 KB	Output is correct
42	Correct	80 ms	15992 KB	Output is correct
43	Correct	83 ms	15864 KB	Output is correct
44	Correct	89 ms	15888 KB	Output is correct
45	Correct	76 ms	15992 KB	Output is correct
46	Correct	89 ms	15932 KB	Output is correct
47	Correct	103 ms	16052 KB	Output is correct
48	Correct	71 ms	16112 KB	Output is correct
49	Correct	79 ms	15992 KB	Output is correct
50	Correct	73 ms	15996 KB	Output is correct
51	Correct	81 ms	15992 KB	Output is correct
52	Correct	87 ms	15992 KB	Output is correct
53	Correct	77 ms	15848 KB	Output is correct
54	Correct	89 ms	15864 KB	Output is correct
55	Correct	93 ms	15852 KB	Output is correct
56	Correct	68 ms	15740 KB	Output is correct
57	Correct	76 ms	15992 KB	Output is correct
58	Correct	77 ms	15744 KB	Output is correct
59	Correct	89 ms	15864 KB	Output is correct
60	Correct	80 ms	15864 KB	Output is correct
61	Correct	76 ms	15856 KB	Output is correct
62	Correct	91 ms	15992 KB	Output is correct
63	Correct	90 ms	15964 KB	Output is correct
64	Correct	64 ms	15864 KB	Output is correct
65	Correct	87 ms	15992 KB	Output is correct
66	Correct	86 ms	15992 KB	Output is correct
67	Correct	84 ms	15992 KB	Output is correct
68	Correct	87 ms	15992 KB	Output is correct
69	Correct	87 ms	15992 KB	Output is correct
70	Correct	85 ms	15864 KB	Output is correct
71	Correct	584 ms	40172 KB	Output is correct
72	Correct	719 ms	40540 KB	Output is correct
73	Correct	778 ms	39032 KB	Output is correct
74	Correct	892 ms	39304 KB	Output is correct
75	Correct	641 ms	41244 KB	Output is correct
76	Correct	920 ms	39668 KB	Output is correct
77	Correct	963 ms	39580 KB	Output is correct
78	Correct	405 ms	43256 KB	Output is correct
79	Correct	557 ms	37112 KB	Output is correct
80	Correct	603 ms	40308 KB	Output is correct
81	Correct	767 ms	40408 KB	Output is correct
82	Correct	933 ms	39412 KB	Output is correct
83	Correct	619 ms	38456 KB	Output is correct
84	Correct	1012 ms	39332 KB	Output is correct
85	Correct	1020 ms	39508 KB	Output is correct
86	Correct	481 ms	37356 KB	Output is correct
87	Correct	779 ms	40240 KB	Output is correct
88	Correct	757 ms	37272 KB	Output is correct
89	Correct	881 ms	39012 KB	Output is correct
90	Correct	804 ms	39320 KB	Output is correct
91	Correct	767 ms	38420 KB	Output is correct
92	Correct	1169 ms	39612 KB	Output is correct
93	Correct	1071 ms	39512 KB	Output is correct
94	Correct	476 ms	37244 KB	Output is correct
95	Correct	986 ms	39400 KB	Output is correct
96	Correct	981 ms	39480 KB	Output is correct
97	Correct	1006 ms	39416 KB	Output is correct
98	Correct	992 ms	39336 KB	Output is correct
99	Correct	992 ms	39516 KB	Output is correct
100	Correct	1072 ms	39440 KB	Output is correct

답안 #125624

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