답안 #68745 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
68745	2018-08-18T10:20:12 Z	tmwilliamlin168	Snake Escaping (JOI18_snake_escaping)	C++14	75 / 100	1671 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	504 KB	Output is correct
2	Correct	4 ms	504 KB	Output is correct
3	Correct	4 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	4 ms	504 KB	Output is correct
6	Correct	3 ms	536 KB	Output is correct
7	Correct	3 ms	620 KB	Output is correct
8	Correct	3 ms	620 KB	Output is correct
9	Correct	4 ms	620 KB	Output is correct
10	Correct	3 ms	620 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	4 ms	504 KB	Output is correct
3	Correct	4 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	4 ms	504 KB	Output is correct
6	Correct	3 ms	536 KB	Output is correct
7	Correct	3 ms	620 KB	Output is correct
8	Correct	3 ms	620 KB	Output is correct
9	Correct	4 ms	620 KB	Output is correct
10	Correct	3 ms	620 KB	Output is correct
11	Correct	277 ms	5980 KB	Output is correct
12	Correct	246 ms	5980 KB	Output is correct
13	Correct	285 ms	5980 KB	Output is correct
14	Correct	281 ms	5980 KB	Output is correct
15	Correct	331 ms	7088 KB	Output is correct
16	Correct	321 ms	7088 KB	Output is correct
17	Correct	437 ms	8052 KB	Output is correct
18	Correct	247 ms	9736 KB	Output is correct
19	Correct	253 ms	9736 KB	Output is correct
20	Correct	274 ms	9736 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	4 ms	504 KB	Output is correct
3	Correct	4 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	4 ms	504 KB	Output is correct
6	Correct	3 ms	536 KB	Output is correct
7	Correct	3 ms	620 KB	Output is correct
8	Correct	3 ms	620 KB	Output is correct
9	Correct	4 ms	620 KB	Output is correct
10	Correct	3 ms	620 KB	Output is correct
11	Correct	277 ms	5980 KB	Output is correct
12	Correct	246 ms	5980 KB	Output is correct
13	Correct	285 ms	5980 KB	Output is correct
14	Correct	281 ms	5980 KB	Output is correct
15	Correct	331 ms	7088 KB	Output is correct
16	Correct	321 ms	7088 KB	Output is correct
17	Correct	437 ms	8052 KB	Output is correct
18	Correct	247 ms	9736 KB	Output is correct
19	Correct	253 ms	9736 KB	Output is correct
20	Correct	274 ms	9736 KB	Output is correct
21	Correct	324 ms	9736 KB	Output is correct
22	Correct	328 ms	9736 KB	Output is correct
23	Correct	375 ms	9736 KB	Output is correct
24	Correct	385 ms	9736 KB	Output is correct
25	Correct	353 ms	10056 KB	Output is correct
26	Correct	357 ms	10056 KB	Output is correct
27	Correct	398 ms	10056 KB	Output is correct
28	Correct	240 ms	11964 KB	Output is correct
29	Correct	277 ms	11964 KB	Output is correct
30	Correct	308 ms	11964 KB	Output is correct
31	Correct	382 ms	11964 KB	Output is correct
32	Correct	424 ms	11964 KB	Output is correct
33	Correct	345 ms	11964 KB	Output is correct
34	Correct	373 ms	11964 KB	Output is correct
35	Correct	327 ms	11964 KB	Output is correct
36	Correct	207 ms	11964 KB	Output is correct
37	Correct	293 ms	11964 KB	Output is correct
38	Correct	279 ms	11964 KB	Output is correct
39	Correct	341 ms	11964 KB	Output is correct
40	Correct	324 ms	11964 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	4 ms	504 KB	Output is correct
3	Correct	4 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	4 ms	504 KB	Output is correct
6	Correct	3 ms	536 KB	Output is correct
7	Correct	3 ms	620 KB	Output is correct
8	Correct	3 ms	620 KB	Output is correct
9	Correct	4 ms	620 KB	Output is correct
10	Correct	3 ms	620 KB	Output is correct
11	Correct	171 ms	16512 KB	Output is correct
12	Correct	123 ms	16516 KB	Output is correct
13	Correct	126 ms	16540 KB	Output is correct
14	Correct	160 ms	16540 KB	Output is correct
15	Correct	105 ms	16640 KB	Output is correct
16	Correct	143 ms	16640 KB	Output is correct
17	Correct	138 ms	16768 KB	Output is correct
18	Correct	124 ms	16800 KB	Output is correct
19	Correct	106 ms	16800 KB	Output is correct
20	Correct	107 ms	16800 KB	Output is correct
21	Correct	138 ms	16800 KB	Output is correct
22	Correct	148 ms	16800 KB	Output is correct
23	Correct	102 ms	16800 KB	Output is correct
24	Correct	116 ms	16800 KB	Output is correct
25	Correct	135 ms	16800 KB	Output is correct
26	Correct	125 ms	16800 KB	Output is correct
27	Correct	107 ms	16916 KB	Output is correct
28	Correct	108 ms	16916 KB	Output is correct
29	Correct	190 ms	16936 KB	Output is correct
30	Correct	137 ms	16936 KB	Output is correct
31	Correct	122 ms	17028 KB	Output is correct
32	Correct	166 ms	17028 KB	Output is correct
33	Correct	130 ms	17028 KB	Output is correct
34	Correct	107 ms	17028 KB	Output is correct
35	Correct	159 ms	17028 KB	Output is correct
36	Correct	125 ms	17028 KB	Output is correct
37	Correct	126 ms	17028 KB	Output is correct
38	Correct	138 ms	17028 KB	Output is correct
39	Correct	127 ms	17028 KB	Output is correct
40	Correct	123 ms	17028 KB	Output is correct

Subtask #5
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	4 ms	504 KB	Output is correct
3	Correct	4 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	4 ms	504 KB	Output is correct
6	Correct	3 ms	536 KB	Output is correct
7	Correct	3 ms	620 KB	Output is correct
8	Correct	3 ms	620 KB	Output is correct
9	Correct	4 ms	620 KB	Output is correct
10	Correct	3 ms	620 KB	Output is correct
11	Correct	277 ms	5980 KB	Output is correct
12	Correct	246 ms	5980 KB	Output is correct
13	Correct	285 ms	5980 KB	Output is correct
14	Correct	281 ms	5980 KB	Output is correct
15	Correct	331 ms	7088 KB	Output is correct
16	Correct	321 ms	7088 KB	Output is correct
17	Correct	437 ms	8052 KB	Output is correct
18	Correct	247 ms	9736 KB	Output is correct
19	Correct	253 ms	9736 KB	Output is correct
20	Correct	274 ms	9736 KB	Output is correct
21	Correct	324 ms	9736 KB	Output is correct
22	Correct	328 ms	9736 KB	Output is correct
23	Correct	375 ms	9736 KB	Output is correct
24	Correct	385 ms	9736 KB	Output is correct
25	Correct	353 ms	10056 KB	Output is correct
26	Correct	357 ms	10056 KB	Output is correct
27	Correct	398 ms	10056 KB	Output is correct
28	Correct	240 ms	11964 KB	Output is correct
29	Correct	277 ms	11964 KB	Output is correct
30	Correct	308 ms	11964 KB	Output is correct
31	Correct	382 ms	11964 KB	Output is correct
32	Correct	424 ms	11964 KB	Output is correct
33	Correct	345 ms	11964 KB	Output is correct
34	Correct	373 ms	11964 KB	Output is correct
35	Correct	327 ms	11964 KB	Output is correct
36	Correct	207 ms	11964 KB	Output is correct
37	Correct	293 ms	11964 KB	Output is correct
38	Correct	279 ms	11964 KB	Output is correct
39	Correct	341 ms	11964 KB	Output is correct
40	Correct	324 ms	11964 KB	Output is correct
41	Correct	171 ms	16512 KB	Output is correct
42	Correct	123 ms	16516 KB	Output is correct
43	Correct	126 ms	16540 KB	Output is correct
44	Correct	160 ms	16540 KB	Output is correct
45	Correct	105 ms	16640 KB	Output is correct
46	Correct	143 ms	16640 KB	Output is correct
47	Correct	138 ms	16768 KB	Output is correct
48	Correct	124 ms	16800 KB	Output is correct
49	Correct	106 ms	16800 KB	Output is correct
50	Correct	107 ms	16800 KB	Output is correct
51	Correct	138 ms	16800 KB	Output is correct
52	Correct	148 ms	16800 KB	Output is correct
53	Correct	102 ms	16800 KB	Output is correct
54	Correct	116 ms	16800 KB	Output is correct
55	Correct	135 ms	16800 KB	Output is correct
56	Correct	125 ms	16800 KB	Output is correct
57	Correct	107 ms	16916 KB	Output is correct
58	Correct	108 ms	16916 KB	Output is correct
59	Correct	190 ms	16936 KB	Output is correct
60	Correct	137 ms	16936 KB	Output is correct
61	Correct	122 ms	17028 KB	Output is correct
62	Correct	166 ms	17028 KB	Output is correct
63	Correct	130 ms	17028 KB	Output is correct
64	Correct	107 ms	17028 KB	Output is correct
65	Correct	159 ms	17028 KB	Output is correct
66	Correct	125 ms	17028 KB	Output is correct
67	Correct	126 ms	17028 KB	Output is correct
68	Correct	138 ms	17028 KB	Output is correct
69	Correct	127 ms	17028 KB	Output is correct
70	Correct	123 ms	17028 KB	Output is correct
71	Correct	637 ms	21656 KB	Output is correct
72	Correct	622 ms	36220 KB	Output is correct
73	Correct	750 ms	36220 KB	Output is correct
74	Correct	1671 ms	36220 KB	Output is correct
75	Correct	621 ms	37056 KB	Output is correct
76	Correct	1614 ms	56988 KB	Output is correct
77	Runtime error	1292 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.
78	Halted	0 ms	0 KB	-

답안 #68745

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