답안 #68751 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
68751	2018-08-18T10:25:21 Z	tmwilliamlin168	Snake Escaping (JOI18_snake_escaping)	C++14	75 / 100	2000 ms	20184 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	484 KB	Output is correct
3	Correct	3 ms	484 KB	Output is correct
4	Correct	2 ms	484 KB	Output is correct
5	Correct	2 ms	484 KB	Output is correct
6	Correct	2 ms	588 KB	Output is correct
7	Correct	2 ms	588 KB	Output is correct
8	Correct	2 ms	608 KB	Output is correct
9	Correct	2 ms	608 KB	Output is correct
10	Correct	3 ms	760 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	484 KB	Output is correct
3	Correct	3 ms	484 KB	Output is correct
4	Correct	2 ms	484 KB	Output is correct
5	Correct	2 ms	484 KB	Output is correct
6	Correct	2 ms	588 KB	Output is correct
7	Correct	2 ms	588 KB	Output is correct
8	Correct	2 ms	608 KB	Output is correct
9	Correct	2 ms	608 KB	Output is correct
10	Correct	3 ms	760 KB	Output is correct
11	Correct	279 ms	5668 KB	Output is correct
12	Correct	264 ms	5668 KB	Output is correct
13	Correct	283 ms	5668 KB	Output is correct
14	Correct	272 ms	5668 KB	Output is correct
15	Correct	281 ms	6008 KB	Output is correct
16	Correct	331 ms	6008 KB	Output is correct
17	Correct	368 ms	6136 KB	Output is correct
18	Correct	203 ms	8280 KB	Output is correct
19	Correct	259 ms	8280 KB	Output is correct
20	Correct	253 ms	8280 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	484 KB	Output is correct
3	Correct	3 ms	484 KB	Output is correct
4	Correct	2 ms	484 KB	Output is correct
5	Correct	2 ms	484 KB	Output is correct
6	Correct	2 ms	588 KB	Output is correct
7	Correct	2 ms	588 KB	Output is correct
8	Correct	2 ms	608 KB	Output is correct
9	Correct	2 ms	608 KB	Output is correct
10	Correct	3 ms	760 KB	Output is correct
11	Correct	279 ms	5668 KB	Output is correct
12	Correct	264 ms	5668 KB	Output is correct
13	Correct	283 ms	5668 KB	Output is correct
14	Correct	272 ms	5668 KB	Output is correct
15	Correct	281 ms	6008 KB	Output is correct
16	Correct	331 ms	6008 KB	Output is correct
17	Correct	368 ms	6136 KB	Output is correct
18	Correct	203 ms	8280 KB	Output is correct
19	Correct	259 ms	8280 KB	Output is correct
20	Correct	253 ms	8280 KB	Output is correct
21	Correct	277 ms	8280 KB	Output is correct
22	Correct	285 ms	8280 KB	Output is correct
23	Correct	338 ms	8280 KB	Output is correct
24	Correct	327 ms	8280 KB	Output is correct
25	Correct	295 ms	8280 KB	Output is correct
26	Correct	353 ms	8280 KB	Output is correct
27	Correct	340 ms	8280 KB	Output is correct
28	Correct	218 ms	9972 KB	Output is correct
29	Correct	283 ms	9972 KB	Output is correct
30	Correct	303 ms	9972 KB	Output is correct
31	Correct	337 ms	9972 KB	Output is correct
32	Correct	429 ms	9972 KB	Output is correct
33	Correct	289 ms	9972 KB	Output is correct
34	Correct	338 ms	9972 KB	Output is correct
35	Correct	392 ms	9972 KB	Output is correct
36	Correct	218 ms	9972 KB	Output is correct
37	Correct	305 ms	9972 KB	Output is correct
38	Correct	280 ms	9972 KB	Output is correct
39	Correct	315 ms	9972 KB	Output is correct
40	Correct	335 ms	9972 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	484 KB	Output is correct
3	Correct	3 ms	484 KB	Output is correct
4	Correct	2 ms	484 KB	Output is correct
5	Correct	2 ms	484 KB	Output is correct
6	Correct	2 ms	588 KB	Output is correct
7	Correct	2 ms	588 KB	Output is correct
8	Correct	2 ms	608 KB	Output is correct
9	Correct	2 ms	608 KB	Output is correct
10	Correct	3 ms	760 KB	Output is correct
11	Correct	109 ms	14168 KB	Output is correct
12	Correct	117 ms	14300 KB	Output is correct
13	Correct	117 ms	14348 KB	Output is correct
14	Correct	159 ms	14348 KB	Output is correct
15	Correct	110 ms	14348 KB	Output is correct
16	Correct	158 ms	14348 KB	Output is correct
17	Correct	160 ms	14348 KB	Output is correct
18	Correct	119 ms	14428 KB	Output is correct
19	Correct	130 ms	14428 KB	Output is correct
20	Correct	131 ms	14428 KB	Output is correct
21	Correct	157 ms	14428 KB	Output is correct
22	Correct	280 ms	14428 KB	Output is correct
23	Correct	131 ms	14428 KB	Output is correct
24	Correct	150 ms	14428 KB	Output is correct
25	Correct	188 ms	14428 KB	Output is correct
26	Correct	136 ms	14428 KB	Output is correct
27	Correct	145 ms	14428 KB	Output is correct
28	Correct	131 ms	14428 KB	Output is correct
29	Correct	146 ms	14428 KB	Output is correct
30	Correct	150 ms	14428 KB	Output is correct
31	Correct	143 ms	14428 KB	Output is correct
32	Correct	193 ms	14428 KB	Output is correct
33	Correct	193 ms	14428 KB	Output is correct
34	Correct	135 ms	14428 KB	Output is correct
35	Correct	165 ms	14428 KB	Output is correct
36	Correct	162 ms	14428 KB	Output is correct
37	Correct	168 ms	14428 KB	Output is correct
38	Correct	167 ms	14428 KB	Output is correct
39	Correct	155 ms	14428 KB	Output is correct
40	Correct	187 ms	14428 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	484 KB	Output is correct
3	Correct	3 ms	484 KB	Output is correct
4	Correct	2 ms	484 KB	Output is correct
5	Correct	2 ms	484 KB	Output is correct
6	Correct	2 ms	588 KB	Output is correct
7	Correct	2 ms	588 KB	Output is correct
8	Correct	2 ms	608 KB	Output is correct
9	Correct	2 ms	608 KB	Output is correct
10	Correct	3 ms	760 KB	Output is correct
11	Correct	279 ms	5668 KB	Output is correct
12	Correct	264 ms	5668 KB	Output is correct
13	Correct	283 ms	5668 KB	Output is correct
14	Correct	272 ms	5668 KB	Output is correct
15	Correct	281 ms	6008 KB	Output is correct
16	Correct	331 ms	6008 KB	Output is correct
17	Correct	368 ms	6136 KB	Output is correct
18	Correct	203 ms	8280 KB	Output is correct
19	Correct	259 ms	8280 KB	Output is correct
20	Correct	253 ms	8280 KB	Output is correct
21	Correct	277 ms	8280 KB	Output is correct
22	Correct	285 ms	8280 KB	Output is correct
23	Correct	338 ms	8280 KB	Output is correct
24	Correct	327 ms	8280 KB	Output is correct
25	Correct	295 ms	8280 KB	Output is correct
26	Correct	353 ms	8280 KB	Output is correct
27	Correct	340 ms	8280 KB	Output is correct
28	Correct	218 ms	9972 KB	Output is correct
29	Correct	283 ms	9972 KB	Output is correct
30	Correct	303 ms	9972 KB	Output is correct
31	Correct	337 ms	9972 KB	Output is correct
32	Correct	429 ms	9972 KB	Output is correct
33	Correct	289 ms	9972 KB	Output is correct
34	Correct	338 ms	9972 KB	Output is correct
35	Correct	392 ms	9972 KB	Output is correct
36	Correct	218 ms	9972 KB	Output is correct
37	Correct	305 ms	9972 KB	Output is correct
38	Correct	280 ms	9972 KB	Output is correct
39	Correct	315 ms	9972 KB	Output is correct
40	Correct	335 ms	9972 KB	Output is correct
41	Correct	109 ms	14168 KB	Output is correct
42	Correct	117 ms	14300 KB	Output is correct
43	Correct	117 ms	14348 KB	Output is correct
44	Correct	159 ms	14348 KB	Output is correct
45	Correct	110 ms	14348 KB	Output is correct
46	Correct	158 ms	14348 KB	Output is correct
47	Correct	160 ms	14348 KB	Output is correct
48	Correct	119 ms	14428 KB	Output is correct
49	Correct	130 ms	14428 KB	Output is correct
50	Correct	131 ms	14428 KB	Output is correct
51	Correct	157 ms	14428 KB	Output is correct
52	Correct	280 ms	14428 KB	Output is correct
53	Correct	131 ms	14428 KB	Output is correct
54	Correct	150 ms	14428 KB	Output is correct
55	Correct	188 ms	14428 KB	Output is correct
56	Correct	136 ms	14428 KB	Output is correct
57	Correct	145 ms	14428 KB	Output is correct
58	Correct	131 ms	14428 KB	Output is correct
59	Correct	146 ms	14428 KB	Output is correct
60	Correct	150 ms	14428 KB	Output is correct
61	Correct	143 ms	14428 KB	Output is correct
62	Correct	193 ms	14428 KB	Output is correct
63	Correct	193 ms	14428 KB	Output is correct
64	Correct	135 ms	14428 KB	Output is correct
65	Correct	165 ms	14428 KB	Output is correct
66	Correct	162 ms	14428 KB	Output is correct
67	Correct	168 ms	14428 KB	Output is correct
68	Correct	167 ms	14428 KB	Output is correct
69	Correct	155 ms	14428 KB	Output is correct
70	Correct	187 ms	14428 KB	Output is correct
71	Correct	774 ms	19140 KB	Output is correct
72	Correct	835 ms	20184 KB	Output is correct
73	Correct	1190 ms	20184 KB	Output is correct
74	Execution timed out	2071 ms	20184 KB	Time limit exceeded
75	Halted	0 ms	0 KB	-

답안 #68751

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