답안 #68741 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
68741	2018-08-18T10:17:30 Z	tmwilliamlin168	Snake Escaping (JOI18_snake_escaping)	C++14	75 / 100	638 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	384 KB	Output is correct
2	Correct	4 ms	496 KB	Output is correct
3	Correct	3 ms	496 KB	Output is correct
4	Correct	3 ms	576 KB	Output is correct
5	Correct	3 ms	616 KB	Output is correct
6	Correct	3 ms	628 KB	Output is correct
7	Correct	4 ms	640 KB	Output is correct
8	Correct	2 ms	724 KB	Output is correct
9	Correct	4 ms	792 KB	Output is correct
10	Correct	4 ms	792 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	384 KB	Output is correct
2	Correct	4 ms	496 KB	Output is correct
3	Correct	3 ms	496 KB	Output is correct
4	Correct	3 ms	576 KB	Output is correct
5	Correct	3 ms	616 KB	Output is correct
6	Correct	3 ms	628 KB	Output is correct
7	Correct	4 ms	640 KB	Output is correct
8	Correct	2 ms	724 KB	Output is correct
9	Correct	4 ms	792 KB	Output is correct
10	Correct	4 ms	792 KB	Output is correct
11	Correct	258 ms	4932 KB	Output is correct
12	Correct	255 ms	4932 KB	Output is correct
13	Correct	272 ms	4932 KB	Output is correct
14	Correct	291 ms	4932 KB	Output is correct
15	Correct	300 ms	5044 KB	Output is correct
16	Correct	326 ms	5044 KB	Output is correct
17	Correct	364 ms	5044 KB	Output is correct
18	Correct	188 ms	5912 KB	Output is correct
19	Correct	245 ms	5912 KB	Output is correct
20	Correct	273 ms	5912 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	384 KB	Output is correct
2	Correct	4 ms	496 KB	Output is correct
3	Correct	3 ms	496 KB	Output is correct
4	Correct	3 ms	576 KB	Output is correct
5	Correct	3 ms	616 KB	Output is correct
6	Correct	3 ms	628 KB	Output is correct
7	Correct	4 ms	640 KB	Output is correct
8	Correct	2 ms	724 KB	Output is correct
9	Correct	4 ms	792 KB	Output is correct
10	Correct	4 ms	792 KB	Output is correct
11	Correct	258 ms	4932 KB	Output is correct
12	Correct	255 ms	4932 KB	Output is correct
13	Correct	272 ms	4932 KB	Output is correct
14	Correct	291 ms	4932 KB	Output is correct
15	Correct	300 ms	5044 KB	Output is correct
16	Correct	326 ms	5044 KB	Output is correct
17	Correct	364 ms	5044 KB	Output is correct
18	Correct	188 ms	5912 KB	Output is correct
19	Correct	245 ms	5912 KB	Output is correct
20	Correct	273 ms	5912 KB	Output is correct
21	Correct	302 ms	5912 KB	Output is correct
22	Correct	306 ms	5912 KB	Output is correct
23	Correct	332 ms	5912 KB	Output is correct
24	Correct	315 ms	5912 KB	Output is correct
25	Correct	336 ms	6040 KB	Output is correct
26	Correct	388 ms	6040 KB	Output is correct
27	Correct	431 ms	6040 KB	Output is correct
28	Correct	232 ms	8876 KB	Output is correct
29	Correct	324 ms	8876 KB	Output is correct
30	Correct	287 ms	8876 KB	Output is correct
31	Correct	312 ms	8876 KB	Output is correct
32	Correct	501 ms	8876 KB	Output is correct
33	Correct	299 ms	8876 KB	Output is correct
34	Correct	349 ms	8876 KB	Output is correct
35	Correct	370 ms	8876 KB	Output is correct
36	Correct	281 ms	9312 KB	Output is correct
37	Correct	250 ms	11056 KB	Output is correct
38	Correct	271 ms	11056 KB	Output is correct
39	Correct	323 ms	11056 KB	Output is correct
40	Correct	357 ms	11056 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	384 KB	Output is correct
2	Correct	4 ms	496 KB	Output is correct
3	Correct	3 ms	496 KB	Output is correct
4	Correct	3 ms	576 KB	Output is correct
5	Correct	3 ms	616 KB	Output is correct
6	Correct	3 ms	628 KB	Output is correct
7	Correct	4 ms	640 KB	Output is correct
8	Correct	2 ms	724 KB	Output is correct
9	Correct	4 ms	792 KB	Output is correct
10	Correct	4 ms	792 KB	Output is correct
11	Correct	119 ms	16856 KB	Output is correct
12	Correct	104 ms	16960 KB	Output is correct
13	Correct	122 ms	16960 KB	Output is correct
14	Correct	139 ms	16984 KB	Output is correct
15	Correct	156 ms	16984 KB	Output is correct
16	Correct	142 ms	16984 KB	Output is correct
17	Correct	137 ms	16984 KB	Output is correct
18	Correct	104 ms	17092 KB	Output is correct
19	Correct	104 ms	17092 KB	Output is correct
20	Correct	117 ms	17092 KB	Output is correct
21	Correct	131 ms	17092 KB	Output is correct
22	Correct	146 ms	19016 KB	Output is correct
23	Correct	128 ms	20952 KB	Output is correct
24	Correct	126 ms	23016 KB	Output is correct
25	Correct	129 ms	25116 KB	Output is correct
26	Correct	117 ms	27012 KB	Output is correct
27	Correct	118 ms	29208 KB	Output is correct
28	Correct	121 ms	31240 KB	Output is correct
29	Correct	127 ms	33436 KB	Output is correct
30	Correct	134 ms	35504 KB	Output is correct
31	Correct	104 ms	37428 KB	Output is correct
32	Correct	169 ms	39564 KB	Output is correct
33	Correct	198 ms	41648 KB	Output is correct
34	Correct	132 ms	43488 KB	Output is correct
35	Correct	150 ms	45688 KB	Output is correct
36	Correct	127 ms	47932 KB	Output is correct
37	Correct	126 ms	49804 KB	Output is correct
38	Correct	138 ms	51856 KB	Output is correct
39	Correct	134 ms	54052 KB	Output is correct
40	Correct	144 ms	56084 KB	Output is correct

Subtask #5
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	384 KB	Output is correct
2	Correct	4 ms	496 KB	Output is correct
3	Correct	3 ms	496 KB	Output is correct
4	Correct	3 ms	576 KB	Output is correct
5	Correct	3 ms	616 KB	Output is correct
6	Correct	3 ms	628 KB	Output is correct
7	Correct	4 ms	640 KB	Output is correct
8	Correct	2 ms	724 KB	Output is correct
9	Correct	4 ms	792 KB	Output is correct
10	Correct	4 ms	792 KB	Output is correct
11	Correct	258 ms	4932 KB	Output is correct
12	Correct	255 ms	4932 KB	Output is correct
13	Correct	272 ms	4932 KB	Output is correct
14	Correct	291 ms	4932 KB	Output is correct
15	Correct	300 ms	5044 KB	Output is correct
16	Correct	326 ms	5044 KB	Output is correct
17	Correct	364 ms	5044 KB	Output is correct
18	Correct	188 ms	5912 KB	Output is correct
19	Correct	245 ms	5912 KB	Output is correct
20	Correct	273 ms	5912 KB	Output is correct
21	Correct	302 ms	5912 KB	Output is correct
22	Correct	306 ms	5912 KB	Output is correct
23	Correct	332 ms	5912 KB	Output is correct
24	Correct	315 ms	5912 KB	Output is correct
25	Correct	336 ms	6040 KB	Output is correct
26	Correct	388 ms	6040 KB	Output is correct
27	Correct	431 ms	6040 KB	Output is correct
28	Correct	232 ms	8876 KB	Output is correct
29	Correct	324 ms	8876 KB	Output is correct
30	Correct	287 ms	8876 KB	Output is correct
31	Correct	312 ms	8876 KB	Output is correct
32	Correct	501 ms	8876 KB	Output is correct
33	Correct	299 ms	8876 KB	Output is correct
34	Correct	349 ms	8876 KB	Output is correct
35	Correct	370 ms	8876 KB	Output is correct
36	Correct	281 ms	9312 KB	Output is correct
37	Correct	250 ms	11056 KB	Output is correct
38	Correct	271 ms	11056 KB	Output is correct
39	Correct	323 ms	11056 KB	Output is correct
40	Correct	357 ms	11056 KB	Output is correct
41	Correct	119 ms	16856 KB	Output is correct
42	Correct	104 ms	16960 KB	Output is correct
43	Correct	122 ms	16960 KB	Output is correct
44	Correct	139 ms	16984 KB	Output is correct
45	Correct	156 ms	16984 KB	Output is correct
46	Correct	142 ms	16984 KB	Output is correct
47	Correct	137 ms	16984 KB	Output is correct
48	Correct	104 ms	17092 KB	Output is correct
49	Correct	104 ms	17092 KB	Output is correct
50	Correct	117 ms	17092 KB	Output is correct
51	Correct	131 ms	17092 KB	Output is correct
52	Correct	146 ms	19016 KB	Output is correct
53	Correct	128 ms	20952 KB	Output is correct
54	Correct	126 ms	23016 KB	Output is correct
55	Correct	129 ms	25116 KB	Output is correct
56	Correct	117 ms	27012 KB	Output is correct
57	Correct	118 ms	29208 KB	Output is correct
58	Correct	121 ms	31240 KB	Output is correct
59	Correct	127 ms	33436 KB	Output is correct
60	Correct	134 ms	35504 KB	Output is correct
61	Correct	104 ms	37428 KB	Output is correct
62	Correct	169 ms	39564 KB	Output is correct
63	Correct	198 ms	41648 KB	Output is correct
64	Correct	132 ms	43488 KB	Output is correct
65	Correct	150 ms	45688 KB	Output is correct
66	Correct	127 ms	47932 KB	Output is correct
67	Correct	126 ms	49804 KB	Output is correct
68	Correct	138 ms	51856 KB	Output is correct
69	Correct	134 ms	54052 KB	Output is correct
70	Correct	144 ms	56084 KB	Output is correct
71	Runtime error	638 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.
72	Halted	0 ms	0 KB	-

답안 #68741

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