답안 #68744 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
68744	2018-08-18T10:19:07 Z	tmwilliamlin168	Snake Escaping (JOI18_snake_escaping)	C++14	75 / 100	1112 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	3 ms	376 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	584 KB	Output is correct
4	Correct	3 ms	668 KB	Output is correct
5	Correct	3 ms	668 KB	Output is correct
6	Correct	3 ms	740 KB	Output is correct
7	Correct	3 ms	740 KB	Output is correct
8	Correct	3 ms	740 KB	Output is correct
9	Correct	3 ms	740 KB	Output is correct
10	Correct	2 ms	740 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	584 KB	Output is correct
4	Correct	3 ms	668 KB	Output is correct
5	Correct	3 ms	668 KB	Output is correct
6	Correct	3 ms	740 KB	Output is correct
7	Correct	3 ms	740 KB	Output is correct
8	Correct	3 ms	740 KB	Output is correct
9	Correct	3 ms	740 KB	Output is correct
10	Correct	2 ms	740 KB	Output is correct
11	Correct	249 ms	5124 KB	Output is correct
12	Correct	276 ms	5124 KB	Output is correct
13	Correct	299 ms	5124 KB	Output is correct
14	Correct	277 ms	5124 KB	Output is correct
15	Correct	289 ms	5528 KB	Output is correct
16	Correct	299 ms	5528 KB	Output is correct
17	Correct	335 ms	5528 KB	Output is correct
18	Correct	209 ms	6912 KB	Output is correct
19	Correct	280 ms	6912 KB	Output is correct
20	Correct	279 ms	6912 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	584 KB	Output is correct
4	Correct	3 ms	668 KB	Output is correct
5	Correct	3 ms	668 KB	Output is correct
6	Correct	3 ms	740 KB	Output is correct
7	Correct	3 ms	740 KB	Output is correct
8	Correct	3 ms	740 KB	Output is correct
9	Correct	3 ms	740 KB	Output is correct
10	Correct	2 ms	740 KB	Output is correct
11	Correct	249 ms	5124 KB	Output is correct
12	Correct	276 ms	5124 KB	Output is correct
13	Correct	299 ms	5124 KB	Output is correct
14	Correct	277 ms	5124 KB	Output is correct
15	Correct	289 ms	5528 KB	Output is correct
16	Correct	299 ms	5528 KB	Output is correct
17	Correct	335 ms	5528 KB	Output is correct
18	Correct	209 ms	6912 KB	Output is correct
19	Correct	280 ms	6912 KB	Output is correct
20	Correct	279 ms	6912 KB	Output is correct
21	Correct	272 ms	6912 KB	Output is correct
22	Correct	307 ms	6912 KB	Output is correct
23	Correct	322 ms	6912 KB	Output is correct
24	Correct	421 ms	6912 KB	Output is correct
25	Correct	364 ms	6972 KB	Output is correct
26	Correct	415 ms	6972 KB	Output is correct
27	Correct	334 ms	6972 KB	Output is correct
28	Correct	215 ms	8168 KB	Output is correct
29	Correct	282 ms	8168 KB	Output is correct
30	Correct	329 ms	8168 KB	Output is correct
31	Correct	374 ms	8168 KB	Output is correct
32	Correct	412 ms	8168 KB	Output is correct
33	Correct	282 ms	8168 KB	Output is correct
34	Correct	337 ms	8168 KB	Output is correct
35	Correct	366 ms	8168 KB	Output is correct
36	Correct	204 ms	8168 KB	Output is correct
37	Correct	292 ms	8168 KB	Output is correct
38	Correct	296 ms	8168 KB	Output is correct
39	Correct	423 ms	8168 KB	Output is correct
40	Correct	364 ms	8168 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	584 KB	Output is correct
4	Correct	3 ms	668 KB	Output is correct
5	Correct	3 ms	668 KB	Output is correct
6	Correct	3 ms	740 KB	Output is correct
7	Correct	3 ms	740 KB	Output is correct
8	Correct	3 ms	740 KB	Output is correct
9	Correct	3 ms	740 KB	Output is correct
10	Correct	2 ms	740 KB	Output is correct
11	Correct	123 ms	11904 KB	Output is correct
12	Correct	128 ms	11904 KB	Output is correct
13	Correct	117 ms	11904 KB	Output is correct
14	Correct	179 ms	11904 KB	Output is correct
15	Correct	124 ms	12028 KB	Output is correct
16	Correct	148 ms	12084 KB	Output is correct
17	Correct	140 ms	12084 KB	Output is correct
18	Correct	97 ms	12156 KB	Output is correct
19	Correct	119 ms	12156 KB	Output is correct
20	Correct	110 ms	12156 KB	Output is correct
21	Correct	144 ms	12156 KB	Output is correct
22	Correct	182 ms	12156 KB	Output is correct
23	Correct	137 ms	12156 KB	Output is correct
24	Correct	133 ms	12156 KB	Output is correct
25	Correct	154 ms	12156 KB	Output is correct
26	Correct	112 ms	12156 KB	Output is correct
27	Correct	121 ms	12156 KB	Output is correct
28	Correct	125 ms	12156 KB	Output is correct
29	Correct	128 ms	12156 KB	Output is correct
30	Correct	107 ms	12212 KB	Output is correct
31	Correct	107 ms	12212 KB	Output is correct
32	Correct	147 ms	12212 KB	Output is correct
33	Correct	132 ms	12212 KB	Output is correct
34	Correct	94 ms	12212 KB	Output is correct
35	Correct	117 ms	12212 KB	Output is correct
36	Correct	121 ms	12212 KB	Output is correct
37	Correct	158 ms	12244 KB	Output is correct
38	Correct	164 ms	12244 KB	Output is correct
39	Correct	145 ms	12244 KB	Output is correct
40	Correct	120 ms	12244 KB	Output is correct

Subtask #5
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	584 KB	Output is correct
4	Correct	3 ms	668 KB	Output is correct
5	Correct	3 ms	668 KB	Output is correct
6	Correct	3 ms	740 KB	Output is correct
7	Correct	3 ms	740 KB	Output is correct
8	Correct	3 ms	740 KB	Output is correct
9	Correct	3 ms	740 KB	Output is correct
10	Correct	2 ms	740 KB	Output is correct
11	Correct	249 ms	5124 KB	Output is correct
12	Correct	276 ms	5124 KB	Output is correct
13	Correct	299 ms	5124 KB	Output is correct
14	Correct	277 ms	5124 KB	Output is correct
15	Correct	289 ms	5528 KB	Output is correct
16	Correct	299 ms	5528 KB	Output is correct
17	Correct	335 ms	5528 KB	Output is correct
18	Correct	209 ms	6912 KB	Output is correct
19	Correct	280 ms	6912 KB	Output is correct
20	Correct	279 ms	6912 KB	Output is correct
21	Correct	272 ms	6912 KB	Output is correct
22	Correct	307 ms	6912 KB	Output is correct
23	Correct	322 ms	6912 KB	Output is correct
24	Correct	421 ms	6912 KB	Output is correct
25	Correct	364 ms	6972 KB	Output is correct
26	Correct	415 ms	6972 KB	Output is correct
27	Correct	334 ms	6972 KB	Output is correct
28	Correct	215 ms	8168 KB	Output is correct
29	Correct	282 ms	8168 KB	Output is correct
30	Correct	329 ms	8168 KB	Output is correct
31	Correct	374 ms	8168 KB	Output is correct
32	Correct	412 ms	8168 KB	Output is correct
33	Correct	282 ms	8168 KB	Output is correct
34	Correct	337 ms	8168 KB	Output is correct
35	Correct	366 ms	8168 KB	Output is correct
36	Correct	204 ms	8168 KB	Output is correct
37	Correct	292 ms	8168 KB	Output is correct
38	Correct	296 ms	8168 KB	Output is correct
39	Correct	423 ms	8168 KB	Output is correct
40	Correct	364 ms	8168 KB	Output is correct
41	Correct	123 ms	11904 KB	Output is correct
42	Correct	128 ms	11904 KB	Output is correct
43	Correct	117 ms	11904 KB	Output is correct
44	Correct	179 ms	11904 KB	Output is correct
45	Correct	124 ms	12028 KB	Output is correct
46	Correct	148 ms	12084 KB	Output is correct
47	Correct	140 ms	12084 KB	Output is correct
48	Correct	97 ms	12156 KB	Output is correct
49	Correct	119 ms	12156 KB	Output is correct
50	Correct	110 ms	12156 KB	Output is correct
51	Correct	144 ms	12156 KB	Output is correct
52	Correct	182 ms	12156 KB	Output is correct
53	Correct	137 ms	12156 KB	Output is correct
54	Correct	133 ms	12156 KB	Output is correct
55	Correct	154 ms	12156 KB	Output is correct
56	Correct	112 ms	12156 KB	Output is correct
57	Correct	121 ms	12156 KB	Output is correct
58	Correct	125 ms	12156 KB	Output is correct
59	Correct	128 ms	12156 KB	Output is correct
60	Correct	107 ms	12212 KB	Output is correct
61	Correct	107 ms	12212 KB	Output is correct
62	Correct	147 ms	12212 KB	Output is correct
63	Correct	132 ms	12212 KB	Output is correct
64	Correct	94 ms	12212 KB	Output is correct
65	Correct	117 ms	12212 KB	Output is correct
66	Correct	121 ms	12212 KB	Output is correct
67	Correct	158 ms	12244 KB	Output is correct
68	Correct	164 ms	12244 KB	Output is correct
69	Correct	145 ms	12244 KB	Output is correct
70	Correct	120 ms	12244 KB	Output is correct
71	Correct	564 ms	16916 KB	Output is correct
72	Correct	600 ms	38636 KB	Output is correct
73	Correct	683 ms	38636 KB	Output is correct
74	Correct	1112 ms	59076 KB	Output is correct
75	Runtime error	573 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.
76	Halted	0 ms	0 KB	-

답안 #68744

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