답안 #68748 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
68748	2018-08-18T10:22:13 Z	tmwilliamlin168	Snake Escaping (JOI18_snake_escaping)	C++14	75 / 100	1224 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	2 ms	376 KB	Output is correct
3	Correct	2 ms	464 KB	Output is correct
4	Correct	2 ms	508 KB	Output is correct
5	Correct	3 ms	544 KB	Output is correct
6	Correct	3 ms	620 KB	Output is correct
7	Correct	4 ms	712 KB	Output is correct
8	Correct	3 ms	712 KB	Output is correct
9	Correct	2 ms	712 KB	Output is correct
10	Correct	3 ms	712 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	2 ms	376 KB	Output is correct
3	Correct	2 ms	464 KB	Output is correct
4	Correct	2 ms	508 KB	Output is correct
5	Correct	3 ms	544 KB	Output is correct
6	Correct	3 ms	620 KB	Output is correct
7	Correct	4 ms	712 KB	Output is correct
8	Correct	3 ms	712 KB	Output is correct
9	Correct	2 ms	712 KB	Output is correct
10	Correct	3 ms	712 KB	Output is correct
11	Correct	251 ms	5216 KB	Output is correct
12	Correct	340 ms	5216 KB	Output is correct
13	Correct	326 ms	5216 KB	Output is correct
14	Correct	388 ms	5216 KB	Output is correct
15	Correct	346 ms	5612 KB	Output is correct
16	Correct	292 ms	5612 KB	Output is correct
17	Correct	286 ms	5620 KB	Output is correct
18	Correct	194 ms	7452 KB	Output is correct
19	Correct	239 ms	7452 KB	Output is correct
20	Correct	248 ms	7452 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	2 ms	376 KB	Output is correct
3	Correct	2 ms	464 KB	Output is correct
4	Correct	2 ms	508 KB	Output is correct
5	Correct	3 ms	544 KB	Output is correct
6	Correct	3 ms	620 KB	Output is correct
7	Correct	4 ms	712 KB	Output is correct
8	Correct	3 ms	712 KB	Output is correct
9	Correct	2 ms	712 KB	Output is correct
10	Correct	3 ms	712 KB	Output is correct
11	Correct	251 ms	5216 KB	Output is correct
12	Correct	340 ms	5216 KB	Output is correct
13	Correct	326 ms	5216 KB	Output is correct
14	Correct	388 ms	5216 KB	Output is correct
15	Correct	346 ms	5612 KB	Output is correct
16	Correct	292 ms	5612 KB	Output is correct
17	Correct	286 ms	5620 KB	Output is correct
18	Correct	194 ms	7452 KB	Output is correct
19	Correct	239 ms	7452 KB	Output is correct
20	Correct	248 ms	7452 KB	Output is correct
21	Correct	328 ms	7452 KB	Output is correct
22	Correct	319 ms	7452 KB	Output is correct
23	Correct	377 ms	7452 KB	Output is correct
24	Correct	308 ms	7452 KB	Output is correct
25	Correct	286 ms	7892 KB	Output is correct
26	Correct	372 ms	7892 KB	Output is correct
27	Correct	339 ms	7892 KB	Output is correct
28	Correct	207 ms	9048 KB	Output is correct
29	Correct	297 ms	9048 KB	Output is correct
30	Correct	305 ms	9048 KB	Output is correct
31	Correct	312 ms	9048 KB	Output is correct
32	Correct	420 ms	9048 KB	Output is correct
33	Correct	326 ms	9048 KB	Output is correct
34	Correct	375 ms	9048 KB	Output is correct
35	Correct	340 ms	9048 KB	Output is correct
36	Correct	232 ms	9048 KB	Output is correct
37	Correct	261 ms	9048 KB	Output is correct
38	Correct	254 ms	9048 KB	Output is correct
39	Correct	326 ms	9048 KB	Output is correct
40	Correct	334 ms	9048 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	2 ms	376 KB	Output is correct
3	Correct	2 ms	464 KB	Output is correct
4	Correct	2 ms	508 KB	Output is correct
5	Correct	3 ms	544 KB	Output is correct
6	Correct	3 ms	620 KB	Output is correct
7	Correct	4 ms	712 KB	Output is correct
8	Correct	3 ms	712 KB	Output is correct
9	Correct	2 ms	712 KB	Output is correct
10	Correct	3 ms	712 KB	Output is correct
11	Correct	122 ms	13108 KB	Output is correct
12	Correct	128 ms	13108 KB	Output is correct
13	Correct	132 ms	13108 KB	Output is correct
14	Correct	194 ms	13108 KB	Output is correct
15	Correct	170 ms	13108 KB	Output is correct
16	Correct	162 ms	13108 KB	Output is correct
17	Correct	124 ms	13108 KB	Output is correct
18	Correct	101 ms	13148 KB	Output is correct
19	Correct	120 ms	13148 KB	Output is correct
20	Correct	122 ms	13148 KB	Output is correct
21	Correct	130 ms	13192 KB	Output is correct
22	Correct	133 ms	13192 KB	Output is correct
23	Correct	111 ms	13192 KB	Output is correct
24	Correct	137 ms	13192 KB	Output is correct
25	Correct	153 ms	13192 KB	Output is correct
26	Correct	99 ms	13244 KB	Output is correct
27	Correct	107 ms	13284 KB	Output is correct
28	Correct	139 ms	13292 KB	Output is correct
29	Correct	129 ms	13312 KB	Output is correct
30	Correct	122 ms	13412 KB	Output is correct
31	Correct	119 ms	13412 KB	Output is correct
32	Correct	131 ms	13412 KB	Output is correct
33	Correct	165 ms	13412 KB	Output is correct
34	Correct	94 ms	13412 KB	Output is correct
35	Correct	127 ms	13464 KB	Output is correct
36	Correct	179 ms	13464 KB	Output is correct
37	Correct	147 ms	13464 KB	Output is correct
38	Correct	122 ms	13464 KB	Output is correct
39	Correct	149 ms	13464 KB	Output is correct
40	Correct	152 ms	13464 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	2 ms	376 KB	Output is correct
3	Correct	2 ms	464 KB	Output is correct
4	Correct	2 ms	508 KB	Output is correct
5	Correct	3 ms	544 KB	Output is correct
6	Correct	3 ms	620 KB	Output is correct
7	Correct	4 ms	712 KB	Output is correct
8	Correct	3 ms	712 KB	Output is correct
9	Correct	2 ms	712 KB	Output is correct
10	Correct	3 ms	712 KB	Output is correct
11	Correct	251 ms	5216 KB	Output is correct
12	Correct	340 ms	5216 KB	Output is correct
13	Correct	326 ms	5216 KB	Output is correct
14	Correct	388 ms	5216 KB	Output is correct
15	Correct	346 ms	5612 KB	Output is correct
16	Correct	292 ms	5612 KB	Output is correct
17	Correct	286 ms	5620 KB	Output is correct
18	Correct	194 ms	7452 KB	Output is correct
19	Correct	239 ms	7452 KB	Output is correct
20	Correct	248 ms	7452 KB	Output is correct
21	Correct	328 ms	7452 KB	Output is correct
22	Correct	319 ms	7452 KB	Output is correct
23	Correct	377 ms	7452 KB	Output is correct
24	Correct	308 ms	7452 KB	Output is correct
25	Correct	286 ms	7892 KB	Output is correct
26	Correct	372 ms	7892 KB	Output is correct
27	Correct	339 ms	7892 KB	Output is correct
28	Correct	207 ms	9048 KB	Output is correct
29	Correct	297 ms	9048 KB	Output is correct
30	Correct	305 ms	9048 KB	Output is correct
31	Correct	312 ms	9048 KB	Output is correct
32	Correct	420 ms	9048 KB	Output is correct
33	Correct	326 ms	9048 KB	Output is correct
34	Correct	375 ms	9048 KB	Output is correct
35	Correct	340 ms	9048 KB	Output is correct
36	Correct	232 ms	9048 KB	Output is correct
37	Correct	261 ms	9048 KB	Output is correct
38	Correct	254 ms	9048 KB	Output is correct
39	Correct	326 ms	9048 KB	Output is correct
40	Correct	334 ms	9048 KB	Output is correct
41	Correct	122 ms	13108 KB	Output is correct
42	Correct	128 ms	13108 KB	Output is correct
43	Correct	132 ms	13108 KB	Output is correct
44	Correct	194 ms	13108 KB	Output is correct
45	Correct	170 ms	13108 KB	Output is correct
46	Correct	162 ms	13108 KB	Output is correct
47	Correct	124 ms	13108 KB	Output is correct
48	Correct	101 ms	13148 KB	Output is correct
49	Correct	120 ms	13148 KB	Output is correct
50	Correct	122 ms	13148 KB	Output is correct
51	Correct	130 ms	13192 KB	Output is correct
52	Correct	133 ms	13192 KB	Output is correct
53	Correct	111 ms	13192 KB	Output is correct
54	Correct	137 ms	13192 KB	Output is correct
55	Correct	153 ms	13192 KB	Output is correct
56	Correct	99 ms	13244 KB	Output is correct
57	Correct	107 ms	13284 KB	Output is correct
58	Correct	139 ms	13292 KB	Output is correct
59	Correct	129 ms	13312 KB	Output is correct
60	Correct	122 ms	13412 KB	Output is correct
61	Correct	119 ms	13412 KB	Output is correct
62	Correct	131 ms	13412 KB	Output is correct
63	Correct	165 ms	13412 KB	Output is correct
64	Correct	94 ms	13412 KB	Output is correct
65	Correct	127 ms	13464 KB	Output is correct
66	Correct	179 ms	13464 KB	Output is correct
67	Correct	147 ms	13464 KB	Output is correct
68	Correct	122 ms	13464 KB	Output is correct
69	Correct	149 ms	13464 KB	Output is correct
70	Correct	152 ms	13464 KB	Output is correct
71	Correct	717 ms	18148 KB	Output is correct
72	Correct	562 ms	18748 KB	Output is correct
73	Correct	627 ms	18748 KB	Output is correct
74	Correct	988 ms	18748 KB	Output is correct
75	Correct	609 ms	19804 KB	Output is correct
76	Correct	1224 ms	19804 KB	Output is correct
77	Correct	1026 ms	19804 KB	Output is correct
78	Correct	508 ms	43088 KB	Output is correct
79	Correct	588 ms	43088 KB	Output is correct
80	Correct	609 ms	62124 KB	Output is correct
81	Runtime error	978 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.
82	Halted	0 ms	0 KB	-

답안 #68748

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