답안 #68746 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
68746	2018-08-18T10:21:07 Z	tmwilliamlin168	Snake Escaping (JOI18_snake_escaping)	C++14	75 / 100	1620 ms	66560 KB

snake_escaping

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

const int mxL=20, mxQ=1e6;
int l, q, dp[2][1<<mxL];
string s;

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> l >> q >> s;
	for(int j=0; j<2; ++j) {
		for(int i=0; i<1<<l; ++i)
			dp[j][i]=s[i]-'0';
		for(int k=0; k<l; ++k)
			for(int i=0; i<1<<l; ++i)
				if(i>>k&1^j)
					dp[j][i]+=dp[j][i^1<<k];
	}
	while(q--) {
		string t;
		cin >> t;
		int na=0, nb=0, nc=0, ma=0, mb=0, mc=0, ans=0;
		for(int i=0; i<l; ++i) {
			if(t[i]=='0') {
				++na;
				ma|=1<<(l-1-i);
			} else if(t[i]=='1') {
				++nb;
				mb|=1<<(l-1-i);
			} else {
				++nc;
				mc|=1<<(l-1-i);
			}
		}
		if(na<nc||nb<nc) {
			bool sw=0;
			if(nb>na) {
				swap(nb, na);
				swap(mb, ma);
				sw=1;
			}
			for(int i=mb; ; i=(i-1)&mb) {
				ans+=dp[sw][(sw?(1<<l)-1:0)^i^mb^mc]*(__builtin_popcount(i)&1?-1:1);
				if(!i)
					break;
			}
		} else {
			for(int i=mc; ; i=(i-1)&mc) {
				ans+=s[i|mb]-'0';
				if(!i)
					break;
			}
		}
		cout << ans << "\n";
	}
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:18:12: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
     if(i>>k&1^j)
        ~~~~^~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	4 ms	560 KB	Output is correct
3	Correct	3 ms	560 KB	Output is correct
4	Correct	3 ms	560 KB	Output is correct
5	Correct	2 ms	600 KB	Output is correct
6	Correct	3 ms	600 KB	Output is correct
7	Correct	3 ms	652 KB	Output is correct
8	Correct	3 ms	652 KB	Output is correct
9	Correct	3 ms	652 KB	Output is correct
10	Correct	3 ms	692 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	4 ms	560 KB	Output is correct
3	Correct	3 ms	560 KB	Output is correct
4	Correct	3 ms	560 KB	Output is correct
5	Correct	2 ms	600 KB	Output is correct
6	Correct	3 ms	600 KB	Output is correct
7	Correct	3 ms	652 KB	Output is correct
8	Correct	3 ms	652 KB	Output is correct
9	Correct	3 ms	652 KB	Output is correct
10	Correct	3 ms	692 KB	Output is correct
11	Correct	270 ms	6100 KB	Output is correct
12	Correct	300 ms	6172 KB	Output is correct
13	Correct	350 ms	6172 KB	Output is correct
14	Correct	338 ms	6576 KB	Output is correct
15	Correct	299 ms	7472 KB	Output is correct
16	Correct	321 ms	7472 KB	Output is correct
17	Correct	349 ms	8812 KB	Output is correct
18	Correct	222 ms	10628 KB	Output is correct
19	Correct	240 ms	10628 KB	Output is correct
20	Correct	254 ms	10628 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	4 ms	560 KB	Output is correct
3	Correct	3 ms	560 KB	Output is correct
4	Correct	3 ms	560 KB	Output is correct
5	Correct	2 ms	600 KB	Output is correct
6	Correct	3 ms	600 KB	Output is correct
7	Correct	3 ms	652 KB	Output is correct
8	Correct	3 ms	652 KB	Output is correct
9	Correct	3 ms	652 KB	Output is correct
10	Correct	3 ms	692 KB	Output is correct
11	Correct	270 ms	6100 KB	Output is correct
12	Correct	300 ms	6172 KB	Output is correct
13	Correct	350 ms	6172 KB	Output is correct
14	Correct	338 ms	6576 KB	Output is correct
15	Correct	299 ms	7472 KB	Output is correct
16	Correct	321 ms	7472 KB	Output is correct
17	Correct	349 ms	8812 KB	Output is correct
18	Correct	222 ms	10628 KB	Output is correct
19	Correct	240 ms	10628 KB	Output is correct
20	Correct	254 ms	10628 KB	Output is correct
21	Correct	272 ms	10628 KB	Output is correct
22	Correct	291 ms	10628 KB	Output is correct
23	Correct	385 ms	10628 KB	Output is correct
24	Correct	342 ms	10628 KB	Output is correct
25	Correct	298 ms	10852 KB	Output is correct
26	Correct	378 ms	10852 KB	Output is correct
27	Correct	334 ms	10852 KB	Output is correct
28	Correct	238 ms	13028 KB	Output is correct
29	Correct	282 ms	13028 KB	Output is correct
30	Correct	289 ms	13028 KB	Output is correct
31	Correct	341 ms	13028 KB	Output is correct
32	Correct	432 ms	13028 KB	Output is correct
33	Correct	317 ms	13028 KB	Output is correct
34	Correct	389 ms	13028 KB	Output is correct
35	Correct	415 ms	13028 KB	Output is correct
36	Correct	199 ms	13028 KB	Output is correct
37	Correct	295 ms	13028 KB	Output is correct
38	Correct	261 ms	13028 KB	Output is correct
39	Correct	338 ms	13028 KB	Output is correct
40	Correct	355 ms	13028 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	4 ms	560 KB	Output is correct
3	Correct	3 ms	560 KB	Output is correct
4	Correct	3 ms	560 KB	Output is correct
5	Correct	2 ms	600 KB	Output is correct
6	Correct	3 ms	600 KB	Output is correct
7	Correct	3 ms	652 KB	Output is correct
8	Correct	3 ms	652 KB	Output is correct
9	Correct	3 ms	652 KB	Output is correct
10	Correct	3 ms	692 KB	Output is correct
11	Correct	107 ms	17764 KB	Output is correct
12	Correct	127 ms	17892 KB	Output is correct
13	Correct	120 ms	17892 KB	Output is correct
14	Correct	149 ms	17892 KB	Output is correct
15	Correct	129 ms	17892 KB	Output is correct
16	Correct	163 ms	17892 KB	Output is correct
17	Correct	177 ms	17892 KB	Output is correct
18	Correct	101 ms	17900 KB	Output is correct
19	Correct	121 ms	17900 KB	Output is correct
20	Correct	144 ms	17900 KB	Output is correct
21	Correct	125 ms	17900 KB	Output is correct
22	Correct	186 ms	17900 KB	Output is correct
23	Correct	103 ms	17900 KB	Output is correct
24	Correct	120 ms	17900 KB	Output is correct
25	Correct	167 ms	17900 KB	Output is correct
26	Correct	97 ms	18220 KB	Output is correct
27	Correct	101 ms	18368 KB	Output is correct
28	Correct	111 ms	18368 KB	Output is correct
29	Correct	108 ms	18368 KB	Output is correct
30	Correct	106 ms	18368 KB	Output is correct
31	Correct	104 ms	18368 KB	Output is correct
32	Correct	127 ms	18368 KB	Output is correct
33	Correct	123 ms	18368 KB	Output is correct
34	Correct	96 ms	18368 KB	Output is correct
35	Correct	148 ms	18368 KB	Output is correct
36	Correct	123 ms	18396 KB	Output is correct
37	Correct	128 ms	18396 KB	Output is correct
38	Correct	115 ms	18396 KB	Output is correct
39	Correct	112 ms	18396 KB	Output is correct
40	Correct	122 ms	18432 KB	Output is correct

Subtask #5
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	4 ms	560 KB	Output is correct
3	Correct	3 ms	560 KB	Output is correct
4	Correct	3 ms	560 KB	Output is correct
5	Correct	2 ms	600 KB	Output is correct
6	Correct	3 ms	600 KB	Output is correct
7	Correct	3 ms	652 KB	Output is correct
8	Correct	3 ms	652 KB	Output is correct
9	Correct	3 ms	652 KB	Output is correct
10	Correct	3 ms	692 KB	Output is correct
11	Correct	270 ms	6100 KB	Output is correct
12	Correct	300 ms	6172 KB	Output is correct
13	Correct	350 ms	6172 KB	Output is correct
14	Correct	338 ms	6576 KB	Output is correct
15	Correct	299 ms	7472 KB	Output is correct
16	Correct	321 ms	7472 KB	Output is correct
17	Correct	349 ms	8812 KB	Output is correct
18	Correct	222 ms	10628 KB	Output is correct
19	Correct	240 ms	10628 KB	Output is correct
20	Correct	254 ms	10628 KB	Output is correct
21	Correct	272 ms	10628 KB	Output is correct
22	Correct	291 ms	10628 KB	Output is correct
23	Correct	385 ms	10628 KB	Output is correct
24	Correct	342 ms	10628 KB	Output is correct
25	Correct	298 ms	10852 KB	Output is correct
26	Correct	378 ms	10852 KB	Output is correct
27	Correct	334 ms	10852 KB	Output is correct
28	Correct	238 ms	13028 KB	Output is correct
29	Correct	282 ms	13028 KB	Output is correct
30	Correct	289 ms	13028 KB	Output is correct
31	Correct	341 ms	13028 KB	Output is correct
32	Correct	432 ms	13028 KB	Output is correct
33	Correct	317 ms	13028 KB	Output is correct
34	Correct	389 ms	13028 KB	Output is correct
35	Correct	415 ms	13028 KB	Output is correct
36	Correct	199 ms	13028 KB	Output is correct
37	Correct	295 ms	13028 KB	Output is correct
38	Correct	261 ms	13028 KB	Output is correct
39	Correct	338 ms	13028 KB	Output is correct
40	Correct	355 ms	13028 KB	Output is correct
41	Correct	107 ms	17764 KB	Output is correct
42	Correct	127 ms	17892 KB	Output is correct
43	Correct	120 ms	17892 KB	Output is correct
44	Correct	149 ms	17892 KB	Output is correct
45	Correct	129 ms	17892 KB	Output is correct
46	Correct	163 ms	17892 KB	Output is correct
47	Correct	177 ms	17892 KB	Output is correct
48	Correct	101 ms	17900 KB	Output is correct
49	Correct	121 ms	17900 KB	Output is correct
50	Correct	144 ms	17900 KB	Output is correct
51	Correct	125 ms	17900 KB	Output is correct
52	Correct	186 ms	17900 KB	Output is correct
53	Correct	103 ms	17900 KB	Output is correct
54	Correct	120 ms	17900 KB	Output is correct
55	Correct	167 ms	17900 KB	Output is correct
56	Correct	97 ms	18220 KB	Output is correct
57	Correct	101 ms	18368 KB	Output is correct
58	Correct	111 ms	18368 KB	Output is correct
59	Correct	108 ms	18368 KB	Output is correct
60	Correct	106 ms	18368 KB	Output is correct
61	Correct	104 ms	18368 KB	Output is correct
62	Correct	127 ms	18368 KB	Output is correct
63	Correct	123 ms	18368 KB	Output is correct
64	Correct	96 ms	18368 KB	Output is correct
65	Correct	148 ms	18368 KB	Output is correct
66	Correct	123 ms	18396 KB	Output is correct
67	Correct	128 ms	18396 KB	Output is correct
68	Correct	115 ms	18396 KB	Output is correct
69	Correct	112 ms	18396 KB	Output is correct
70	Correct	122 ms	18432 KB	Output is correct
71	Correct	560 ms	23120 KB	Output is correct
72	Correct	666 ms	28736 KB	Output is correct
73	Correct	809 ms	28736 KB	Output is correct
74	Correct	1620 ms	28736 KB	Output is correct
75	Correct	657 ms	29796 KB	Output is correct
76	Correct	1496 ms	29796 KB	Output is correct
77	Correct	1072 ms	29796 KB	Output is correct
78	Correct	409 ms	53208 KB	Output is correct
79	Runtime error	653 ms	66560 KB	Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
80	Halted	0 ms	0 KB	-

답안 #68746

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 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
0 / 25.0