답안 #68750 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
68750	2018-08-18T10:23:53 Z	tmwilliamlin168	Snake Escaping (JOI18_snake_escaping)	C++14	75 / 100	1660 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	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	3 ms	432 KB	Output is correct
4	Correct	3 ms	636 KB	Output is correct
5	Correct	2 ms	636 KB	Output is correct
6	Correct	3 ms	636 KB	Output is correct
7	Correct	2 ms	636 KB	Output is correct
8	Correct	2 ms	636 KB	Output is correct
9	Correct	2 ms	636 KB	Output is correct
10	Correct	2 ms	636 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	3 ms	432 KB	Output is correct
4	Correct	3 ms	636 KB	Output is correct
5	Correct	2 ms	636 KB	Output is correct
6	Correct	3 ms	636 KB	Output is correct
7	Correct	2 ms	636 KB	Output is correct
8	Correct	2 ms	636 KB	Output is correct
9	Correct	2 ms	636 KB	Output is correct
10	Correct	2 ms	636 KB	Output is correct
11	Correct	242 ms	5048 KB	Output is correct
12	Correct	257 ms	5080 KB	Output is correct
13	Correct	293 ms	5080 KB	Output is correct
14	Correct	274 ms	5080 KB	Output is correct
15	Correct	263 ms	5620 KB	Output is correct
16	Correct	294 ms	5620 KB	Output is correct
17	Correct	296 ms	5624 KB	Output is correct
18	Correct	199 ms	7316 KB	Output is correct
19	Correct	234 ms	7316 KB	Output is correct
20	Correct	298 ms	7316 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	3 ms	432 KB	Output is correct
4	Correct	3 ms	636 KB	Output is correct
5	Correct	2 ms	636 KB	Output is correct
6	Correct	3 ms	636 KB	Output is correct
7	Correct	2 ms	636 KB	Output is correct
8	Correct	2 ms	636 KB	Output is correct
9	Correct	2 ms	636 KB	Output is correct
10	Correct	2 ms	636 KB	Output is correct
11	Correct	242 ms	5048 KB	Output is correct
12	Correct	257 ms	5080 KB	Output is correct
13	Correct	293 ms	5080 KB	Output is correct
14	Correct	274 ms	5080 KB	Output is correct
15	Correct	263 ms	5620 KB	Output is correct
16	Correct	294 ms	5620 KB	Output is correct
17	Correct	296 ms	5624 KB	Output is correct
18	Correct	199 ms	7316 KB	Output is correct
19	Correct	234 ms	7316 KB	Output is correct
20	Correct	298 ms	7316 KB	Output is correct
21	Correct	287 ms	7316 KB	Output is correct
22	Correct	332 ms	7316 KB	Output is correct
23	Correct	353 ms	7316 KB	Output is correct
24	Correct	324 ms	7316 KB	Output is correct
25	Correct	369 ms	7656 KB	Output is correct
26	Correct	483 ms	7656 KB	Output is correct
27	Correct	347 ms	7656 KB	Output is correct
28	Correct	223 ms	8932 KB	Output is correct
29	Correct	309 ms	8932 KB	Output is correct
30	Correct	315 ms	8932 KB	Output is correct
31	Correct	361 ms	8932 KB	Output is correct
32	Correct	450 ms	8932 KB	Output is correct
33	Correct	335 ms	8932 KB	Output is correct
34	Correct	360 ms	8932 KB	Output is correct
35	Correct	362 ms	8932 KB	Output is correct
36	Correct	217 ms	8932 KB	Output is correct
37	Correct	314 ms	8932 KB	Output is correct
38	Correct	274 ms	8932 KB	Output is correct
39	Correct	337 ms	8932 KB	Output is correct
40	Correct	331 ms	8932 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	3 ms	432 KB	Output is correct
4	Correct	3 ms	636 KB	Output is correct
5	Correct	2 ms	636 KB	Output is correct
6	Correct	3 ms	636 KB	Output is correct
7	Correct	2 ms	636 KB	Output is correct
8	Correct	2 ms	636 KB	Output is correct
9	Correct	2 ms	636 KB	Output is correct
10	Correct	2 ms	636 KB	Output is correct
11	Correct	114 ms	13096 KB	Output is correct
12	Correct	114 ms	13096 KB	Output is correct
13	Correct	123 ms	13096 KB	Output is correct
14	Correct	218 ms	13096 KB	Output is correct
15	Correct	116 ms	13096 KB	Output is correct
16	Correct	166 ms	13096 KB	Output is correct
17	Correct	165 ms	13096 KB	Output is correct
18	Correct	115 ms	13136 KB	Output is correct
19	Correct	152 ms	13136 KB	Output is correct
20	Correct	133 ms	13136 KB	Output is correct
21	Correct	134 ms	13136 KB	Output is correct
22	Correct	154 ms	13136 KB	Output is correct
23	Correct	120 ms	13136 KB	Output is correct
24	Correct	138 ms	13136 KB	Output is correct
25	Correct	146 ms	13136 KB	Output is correct
26	Correct	109 ms	13144 KB	Output is correct
27	Correct	113 ms	13192 KB	Output is correct
28	Correct	114 ms	13192 KB	Output is correct
29	Correct	126 ms	13316 KB	Output is correct
30	Correct	114 ms	13316 KB	Output is correct
31	Correct	115 ms	13316 KB	Output is correct
32	Correct	148 ms	13316 KB	Output is correct
33	Correct	145 ms	13316 KB	Output is correct
34	Correct	101 ms	13316 KB	Output is correct
35	Correct	136 ms	13316 KB	Output is correct
36	Correct	156 ms	13316 KB	Output is correct
37	Correct	134 ms	13320 KB	Output is correct
38	Correct	152 ms	13320 KB	Output is correct
39	Correct	134 ms	13320 KB	Output is correct
40	Correct	136 ms	13320 KB	Output is correct

Subtask #5
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	3 ms	432 KB	Output is correct
4	Correct	3 ms	636 KB	Output is correct
5	Correct	2 ms	636 KB	Output is correct
6	Correct	3 ms	636 KB	Output is correct
7	Correct	2 ms	636 KB	Output is correct
8	Correct	2 ms	636 KB	Output is correct
9	Correct	2 ms	636 KB	Output is correct
10	Correct	2 ms	636 KB	Output is correct
11	Correct	242 ms	5048 KB	Output is correct
12	Correct	257 ms	5080 KB	Output is correct
13	Correct	293 ms	5080 KB	Output is correct
14	Correct	274 ms	5080 KB	Output is correct
15	Correct	263 ms	5620 KB	Output is correct
16	Correct	294 ms	5620 KB	Output is correct
17	Correct	296 ms	5624 KB	Output is correct
18	Correct	199 ms	7316 KB	Output is correct
19	Correct	234 ms	7316 KB	Output is correct
20	Correct	298 ms	7316 KB	Output is correct
21	Correct	287 ms	7316 KB	Output is correct
22	Correct	332 ms	7316 KB	Output is correct
23	Correct	353 ms	7316 KB	Output is correct
24	Correct	324 ms	7316 KB	Output is correct
25	Correct	369 ms	7656 KB	Output is correct
26	Correct	483 ms	7656 KB	Output is correct
27	Correct	347 ms	7656 KB	Output is correct
28	Correct	223 ms	8932 KB	Output is correct
29	Correct	309 ms	8932 KB	Output is correct
30	Correct	315 ms	8932 KB	Output is correct
31	Correct	361 ms	8932 KB	Output is correct
32	Correct	450 ms	8932 KB	Output is correct
33	Correct	335 ms	8932 KB	Output is correct
34	Correct	360 ms	8932 KB	Output is correct
35	Correct	362 ms	8932 KB	Output is correct
36	Correct	217 ms	8932 KB	Output is correct
37	Correct	314 ms	8932 KB	Output is correct
38	Correct	274 ms	8932 KB	Output is correct
39	Correct	337 ms	8932 KB	Output is correct
40	Correct	331 ms	8932 KB	Output is correct
41	Correct	114 ms	13096 KB	Output is correct
42	Correct	114 ms	13096 KB	Output is correct
43	Correct	123 ms	13096 KB	Output is correct
44	Correct	218 ms	13096 KB	Output is correct
45	Correct	116 ms	13096 KB	Output is correct
46	Correct	166 ms	13096 KB	Output is correct
47	Correct	165 ms	13096 KB	Output is correct
48	Correct	115 ms	13136 KB	Output is correct
49	Correct	152 ms	13136 KB	Output is correct
50	Correct	133 ms	13136 KB	Output is correct
51	Correct	134 ms	13136 KB	Output is correct
52	Correct	154 ms	13136 KB	Output is correct
53	Correct	120 ms	13136 KB	Output is correct
54	Correct	138 ms	13136 KB	Output is correct
55	Correct	146 ms	13136 KB	Output is correct
56	Correct	109 ms	13144 KB	Output is correct
57	Correct	113 ms	13192 KB	Output is correct
58	Correct	114 ms	13192 KB	Output is correct
59	Correct	126 ms	13316 KB	Output is correct
60	Correct	114 ms	13316 KB	Output is correct
61	Correct	115 ms	13316 KB	Output is correct
62	Correct	148 ms	13316 KB	Output is correct
63	Correct	145 ms	13316 KB	Output is correct
64	Correct	101 ms	13316 KB	Output is correct
65	Correct	136 ms	13316 KB	Output is correct
66	Correct	156 ms	13316 KB	Output is correct
67	Correct	134 ms	13320 KB	Output is correct
68	Correct	152 ms	13320 KB	Output is correct
69	Correct	134 ms	13320 KB	Output is correct
70	Correct	136 ms	13320 KB	Output is correct
71	Correct	631 ms	17984 KB	Output is correct
72	Correct	781 ms	18812 KB	Output is correct
73	Correct	969 ms	18812 KB	Output is correct
74	Correct	1660 ms	18812 KB	Output is correct
75	Correct	655 ms	19632 KB	Output is correct
76	Correct	1423 ms	19632 KB	Output is correct
77	Correct	1103 ms	19632 KB	Output is correct
78	Correct	407 ms	34676 KB	Output is correct
79	Correct	536 ms	34676 KB	Output is correct
80	Correct	684 ms	34676 KB	Output is correct
81	Correct	1130 ms	34676 KB	Output is correct
82	Correct	1617 ms	52712 KB	Output is correct
83	Runtime error	601 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.
84	Halted	0 ms	0 KB	-

답안 #68750

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