Submission #68769

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
68769	2018-08-18T10:52:14 Z	tmwilliamlin168	Snake Escaping (JOI18_snake_escaping)	C++14	75 / 100	1682 ms	65828 KB

snake_escaping

#include <bits/stdc++.h>
using namespace std;

#define getchar_unlocked getchar
#define putchar_unlocked putchar

inline int in() {
	int result = 0;
	char ch = getchar_unlocked();
	while(true) {
		if(ch >= '0' && ch <= '9')
			break;
		ch = getchar_unlocked();
	}
	result = ch-'0';
	while(true) {
		ch = getchar_unlocked();
		if (ch < '0' || ch > '9')
			break;
		result = result*10 + (ch - '0');
	}
	return result;
}
inline void out(int x) {
	if(!x) {
		putchar_unlocked('0');
		return;
	}
	int rev=x, c=0;
	while(!(rev%10)) {
		++c;
		rev/=10;
	}
	rev=0;
	while(x) {
		rev=rev*10+x%10;
		x/=10;
	}
	while(rev) {
		putchar_unlocked(rev%10+'0');
		rev/=10;
	}
	while(c--)
		putchar_unlocked('0');
}

const int mxL=20, mxQ=1e6;
int l, q, dp[2][1<<mxL];
char s[1<<mxL];

int main() {
	l=in(), q=in();
	for(int i=0; i<1<<l; ++i)
		while(s[i]<'0'||s[i]>'9')
			s[i]=getchar_unlocked();
	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--) {
		int na=0, nb=0, nc=0, ma=0, mb=0, mc=0, ans=0;
		for(int i=0; i<l; ++i) {
			char c=getchar_unlocked();
			if(c=='0') {
				++na;
				ma|=1<<(l-1-i);
			} else if(c=='1') {
				++nb;
				mb|=1<<(l-1-i);
			} else if(c=='?') {
				++nc;
				mc|=1<<(l-1-i);
			} else
				--i;
		}
		if(na<nc||nb<nc) {
			bool sw=0;
			if(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;
			}
		}
		out(ans);
		putchar_unlocked('\n');
	}
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:61:12: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
     if(i>>k&1^j)
        ~~~~^~

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	3 ms	504 KB	Output is correct
3	Correct	3 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	3 ms	504 KB	Output is correct
6	Correct	3 ms	524 KB	Output is correct
7	Correct	3 ms	536 KB	Output is correct
8	Correct	2 ms	548 KB	Output is correct
9	Correct	3 ms	560 KB	Output is correct
10	Correct	3 ms	572 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	3 ms	504 KB	Output is correct
3	Correct	3 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	3 ms	504 KB	Output is correct
6	Correct	3 ms	524 KB	Output is correct
7	Correct	3 ms	536 KB	Output is correct
8	Correct	2 ms	548 KB	Output is correct
9	Correct	3 ms	560 KB	Output is correct
10	Correct	3 ms	572 KB	Output is correct
11	Correct	238 ms	6176 KB	Output is correct
12	Correct	238 ms	6176 KB	Output is correct
13	Correct	291 ms	6176 KB	Output is correct
14	Correct	260 ms	6176 KB	Output is correct
15	Correct	272 ms	6512 KB	Output is correct
16	Correct	300 ms	6512 KB	Output is correct
17	Correct	367 ms	6512 KB	Output is correct
18	Correct	204 ms	8624 KB	Output is correct
19	Correct	188 ms	8624 KB	Output is correct
20	Correct	272 ms	8624 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	3 ms	504 KB	Output is correct
3	Correct	3 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	3 ms	504 KB	Output is correct
6	Correct	3 ms	524 KB	Output is correct
7	Correct	3 ms	536 KB	Output is correct
8	Correct	2 ms	548 KB	Output is correct
9	Correct	3 ms	560 KB	Output is correct
10	Correct	3 ms	572 KB	Output is correct
11	Correct	238 ms	6176 KB	Output is correct
12	Correct	238 ms	6176 KB	Output is correct
13	Correct	291 ms	6176 KB	Output is correct
14	Correct	260 ms	6176 KB	Output is correct
15	Correct	272 ms	6512 KB	Output is correct
16	Correct	300 ms	6512 KB	Output is correct
17	Correct	367 ms	6512 KB	Output is correct
18	Correct	204 ms	8624 KB	Output is correct
19	Correct	188 ms	8624 KB	Output is correct
20	Correct	272 ms	8624 KB	Output is correct
21	Correct	329 ms	8624 KB	Output is correct
22	Correct	351 ms	8624 KB	Output is correct
23	Correct	374 ms	8624 KB	Output is correct
24	Correct	308 ms	8624 KB	Output is correct
25	Correct	320 ms	8624 KB	Output is correct
26	Correct	347 ms	8624 KB	Output is correct
27	Correct	356 ms	8624 KB	Output is correct
28	Correct	297 ms	11304 KB	Output is correct
29	Correct	281 ms	11304 KB	Output is correct
30	Correct	334 ms	11304 KB	Output is correct
31	Correct	333 ms	11304 KB	Output is correct
32	Correct	511 ms	11304 KB	Output is correct
33	Correct	325 ms	11304 KB	Output is correct
34	Correct	356 ms	11304 KB	Output is correct
35	Correct	467 ms	11304 KB	Output is correct
36	Correct	257 ms	11304 KB	Output is correct
37	Correct	372 ms	11304 KB	Output is correct
38	Correct	247 ms	11304 KB	Output is correct
39	Correct	316 ms	11304 KB	Output is correct
40	Correct	344 ms	11304 KB	Output is correct

Subtask #4
53.0 / 53.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	3 ms	504 KB	Output is correct
3	Correct	3 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	3 ms	504 KB	Output is correct
6	Correct	3 ms	524 KB	Output is correct
7	Correct	3 ms	536 KB	Output is correct
8	Correct	2 ms	548 KB	Output is correct
9	Correct	3 ms	560 KB	Output is correct
10	Correct	3 ms	572 KB	Output is correct
11	Correct	133 ms	15584 KB	Output is correct
12	Correct	125 ms	15584 KB	Output is correct
13	Correct	123 ms	15584 KB	Output is correct
14	Correct	190 ms	15620 KB	Output is correct
15	Correct	126 ms	15704 KB	Output is correct
16	Correct	203 ms	15704 KB	Output is correct
17	Correct	134 ms	15704 KB	Output is correct
18	Correct	108 ms	15816 KB	Output is correct
19	Correct	119 ms	15816 KB	Output is correct
20	Correct	129 ms	15816 KB	Output is correct
21	Correct	136 ms	15816 KB	Output is correct
22	Correct	161 ms	15816 KB	Output is correct
23	Correct	115 ms	15816 KB	Output is correct
24	Correct	151 ms	15816 KB	Output is correct
25	Correct	148 ms	15816 KB	Output is correct
26	Correct	124 ms	15816 KB	Output is correct
27	Correct	127 ms	15816 KB	Output is correct
28	Correct	111 ms	15816 KB	Output is correct
29	Correct	134 ms	15816 KB	Output is correct
30	Correct	125 ms	15816 KB	Output is correct
31	Correct	145 ms	15816 KB	Output is correct
32	Correct	178 ms	15816 KB	Output is correct
33	Correct	159 ms	15816 KB	Output is correct
34	Correct	107 ms	15816 KB	Output is correct
35	Correct	145 ms	15816 KB	Output is correct
36	Correct	126 ms	15816 KB	Output is correct
37	Correct	145 ms	15816 KB	Output is correct
38	Correct	152 ms	15816 KB	Output is correct
39	Correct	158 ms	15816 KB	Output is correct
40	Correct	132 ms	15816 KB	Output is correct

Subtask #5
0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	376 KB	Output is correct
2	Correct	3 ms	504 KB	Output is correct
3	Correct	3 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	3 ms	504 KB	Output is correct
6	Correct	3 ms	524 KB	Output is correct
7	Correct	3 ms	536 KB	Output is correct
8	Correct	2 ms	548 KB	Output is correct
9	Correct	3 ms	560 KB	Output is correct
10	Correct	3 ms	572 KB	Output is correct
11	Correct	238 ms	6176 KB	Output is correct
12	Correct	238 ms	6176 KB	Output is correct
13	Correct	291 ms	6176 KB	Output is correct
14	Correct	260 ms	6176 KB	Output is correct
15	Correct	272 ms	6512 KB	Output is correct
16	Correct	300 ms	6512 KB	Output is correct
17	Correct	367 ms	6512 KB	Output is correct
18	Correct	204 ms	8624 KB	Output is correct
19	Correct	188 ms	8624 KB	Output is correct
20	Correct	272 ms	8624 KB	Output is correct
21	Correct	329 ms	8624 KB	Output is correct
22	Correct	351 ms	8624 KB	Output is correct
23	Correct	374 ms	8624 KB	Output is correct
24	Correct	308 ms	8624 KB	Output is correct
25	Correct	320 ms	8624 KB	Output is correct
26	Correct	347 ms	8624 KB	Output is correct
27	Correct	356 ms	8624 KB	Output is correct
28	Correct	297 ms	11304 KB	Output is correct
29	Correct	281 ms	11304 KB	Output is correct
30	Correct	334 ms	11304 KB	Output is correct
31	Correct	333 ms	11304 KB	Output is correct
32	Correct	511 ms	11304 KB	Output is correct
33	Correct	325 ms	11304 KB	Output is correct
34	Correct	356 ms	11304 KB	Output is correct
35	Correct	467 ms	11304 KB	Output is correct
36	Correct	257 ms	11304 KB	Output is correct
37	Correct	372 ms	11304 KB	Output is correct
38	Correct	247 ms	11304 KB	Output is correct
39	Correct	316 ms	11304 KB	Output is correct
40	Correct	344 ms	11304 KB	Output is correct
41	Correct	133 ms	15584 KB	Output is correct
42	Correct	125 ms	15584 KB	Output is correct
43	Correct	123 ms	15584 KB	Output is correct
44	Correct	190 ms	15620 KB	Output is correct
45	Correct	126 ms	15704 KB	Output is correct
46	Correct	203 ms	15704 KB	Output is correct
47	Correct	134 ms	15704 KB	Output is correct
48	Correct	108 ms	15816 KB	Output is correct
49	Correct	119 ms	15816 KB	Output is correct
50	Correct	129 ms	15816 KB	Output is correct
51	Correct	136 ms	15816 KB	Output is correct
52	Correct	161 ms	15816 KB	Output is correct
53	Correct	115 ms	15816 KB	Output is correct
54	Correct	151 ms	15816 KB	Output is correct
55	Correct	148 ms	15816 KB	Output is correct
56	Correct	124 ms	15816 KB	Output is correct
57	Correct	127 ms	15816 KB	Output is correct
58	Correct	111 ms	15816 KB	Output is correct
59	Correct	134 ms	15816 KB	Output is correct
60	Correct	125 ms	15816 KB	Output is correct
61	Correct	145 ms	15816 KB	Output is correct
62	Correct	178 ms	15816 KB	Output is correct
63	Correct	159 ms	15816 KB	Output is correct
64	Correct	107 ms	15816 KB	Output is correct
65	Correct	145 ms	15816 KB	Output is correct
66	Correct	126 ms	15816 KB	Output is correct
67	Correct	145 ms	15816 KB	Output is correct
68	Correct	152 ms	15816 KB	Output is correct
69	Correct	158 ms	15816 KB	Output is correct
70	Correct	132 ms	15816 KB	Output is correct
71	Correct	683 ms	20224 KB	Output is correct
72	Correct	685 ms	21364 KB	Output is correct
73	Correct	724 ms	21364 KB	Output is correct
74	Correct	1682 ms	21364 KB	Output is correct
75	Correct	668 ms	22132 KB	Output is correct
76	Correct	1540 ms	22132 KB	Output is correct
77	Correct	1274 ms	22132 KB	Output is correct
78	Correct	452 ms	24168 KB	Output is correct
79	Correct	487 ms	24168 KB	Output is correct
80	Correct	712 ms	24168 KB	Output is correct
81	Correct	1004 ms	24168 KB	Output is correct
82	Correct	1593 ms	24168 KB	Output is correct
83	Correct	628 ms	24168 KB	Output is correct
84	Correct	968 ms	24168 KB	Output is correct
85	Correct	1129 ms	24168 KB	Output is correct
86	Correct	365 ms	24168 KB	Output is correct
87	Correct	702 ms	24168 KB	Output is correct
88	Correct	579 ms	24168 KB	Output is correct
89	Correct	716 ms	24168 KB	Output is correct
90	Correct	695 ms	24168 KB	Output is correct
91	Correct	604 ms	24168 KB	Output is correct
92	Correct	1403 ms	24168 KB	Output is correct
93	Correct	1204 ms	24168 KB	Output is correct
94	Correct	338 ms	42176 KB	Output is correct
95	Correct	1085 ms	44108 KB	Output is correct
96	Correct	1045 ms	44148 KB	Output is correct
97	Runtime error	984 ms	65828 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.
98	Halted	0 ms	0 KB	-

Submission #68769

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