Submission #68776

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
68776	2018-08-18T10:59:02 Z	tmwilliamlin168	Snake Escaping (JOI18_snake_escaping)	C++14	100 / 100	1521 ms	17692 KB

snake_escaping

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

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:58:12: 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	2 ms	376 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	564 KB	Output is correct
4	Correct	2 ms	564 KB	Output is correct
5	Correct	2 ms	564 KB	Output is correct
6	Correct	3 ms	564 KB	Output is correct
7	Correct	3 ms	572 KB	Output is correct
8	Correct	2 ms	588 KB	Output is correct
9	Correct	2 ms	588 KB	Output is correct
10	Correct	2 ms	716 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	564 KB	Output is correct
4	Correct	2 ms	564 KB	Output is correct
5	Correct	2 ms	564 KB	Output is correct
6	Correct	3 ms	564 KB	Output is correct
7	Correct	3 ms	572 KB	Output is correct
8	Correct	2 ms	588 KB	Output is correct
9	Correct	2 ms	588 KB	Output is correct
10	Correct	2 ms	716 KB	Output is correct
11	Correct	143 ms	4436 KB	Output is correct
12	Correct	151 ms	4436 KB	Output is correct
13	Correct	176 ms	4436 KB	Output is correct
14	Correct	155 ms	4436 KB	Output is correct
15	Correct	146 ms	4520 KB	Output is correct
16	Correct	174 ms	4520 KB	Output is correct
17	Correct	204 ms	4520 KB	Output is correct
18	Correct	93 ms	5524 KB	Output is correct
19	Correct	127 ms	5524 KB	Output is correct
20	Correct	155 ms	5524 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	564 KB	Output is correct
4	Correct	2 ms	564 KB	Output is correct
5	Correct	2 ms	564 KB	Output is correct
6	Correct	3 ms	564 KB	Output is correct
7	Correct	3 ms	572 KB	Output is correct
8	Correct	2 ms	588 KB	Output is correct
9	Correct	2 ms	588 KB	Output is correct
10	Correct	2 ms	716 KB	Output is correct
11	Correct	143 ms	4436 KB	Output is correct
12	Correct	151 ms	4436 KB	Output is correct
13	Correct	176 ms	4436 KB	Output is correct
14	Correct	155 ms	4436 KB	Output is correct
15	Correct	146 ms	4520 KB	Output is correct
16	Correct	174 ms	4520 KB	Output is correct
17	Correct	204 ms	4520 KB	Output is correct
18	Correct	93 ms	5524 KB	Output is correct
19	Correct	127 ms	5524 KB	Output is correct
20	Correct	155 ms	5524 KB	Output is correct
21	Correct	178 ms	5524 KB	Output is correct
22	Correct	192 ms	5524 KB	Output is correct
23	Correct	227 ms	5524 KB	Output is correct
24	Correct	215 ms	5524 KB	Output is correct
25	Correct	223 ms	5524 KB	Output is correct
26	Correct	243 ms	5524 KB	Output is correct
27	Correct	241 ms	5524 KB	Output is correct
28	Correct	116 ms	6548 KB	Output is correct
29	Correct	153 ms	6548 KB	Output is correct
30	Correct	205 ms	6548 KB	Output is correct
31	Correct	221 ms	6548 KB	Output is correct
32	Correct	284 ms	6548 KB	Output is correct
33	Correct	176 ms	6548 KB	Output is correct
34	Correct	269 ms	6548 KB	Output is correct
35	Correct	240 ms	6548 KB	Output is correct
36	Correct	86 ms	6548 KB	Output is correct
37	Correct	180 ms	6548 KB	Output is correct
38	Correct	175 ms	6548 KB	Output is correct
39	Correct	216 ms	6548 KB	Output is correct
40	Correct	207 ms	6548 KB	Output is correct

Subtask #4
53.0 / 53.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	564 KB	Output is correct
4	Correct	2 ms	564 KB	Output is correct
5	Correct	2 ms	564 KB	Output is correct
6	Correct	3 ms	564 KB	Output is correct
7	Correct	3 ms	572 KB	Output is correct
8	Correct	2 ms	588 KB	Output is correct
9	Correct	2 ms	588 KB	Output is correct
10	Correct	2 ms	716 KB	Output is correct
11	Correct	112 ms	10028 KB	Output is correct
12	Correct	114 ms	10156 KB	Output is correct
13	Correct	112 ms	10156 KB	Output is correct
14	Correct	177 ms	10228 KB	Output is correct
15	Correct	123 ms	10228 KB	Output is correct
16	Correct	177 ms	10228 KB	Output is correct
17	Correct	144 ms	10228 KB	Output is correct
18	Correct	97 ms	10288 KB	Output is correct
19	Correct	96 ms	10288 KB	Output is correct
20	Correct	101 ms	10288 KB	Output is correct
21	Correct	136 ms	10288 KB	Output is correct
22	Correct	201 ms	10288 KB	Output is correct
23	Correct	102 ms	10288 KB	Output is correct
24	Correct	203 ms	10288 KB	Output is correct
25	Correct	157 ms	10288 KB	Output is correct
26	Correct	128 ms	10288 KB	Output is correct
27	Correct	110 ms	10288 KB	Output is correct
28	Correct	114 ms	10288 KB	Output is correct
29	Correct	120 ms	10288 KB	Output is correct
30	Correct	110 ms	10288 KB	Output is correct
31	Correct	106 ms	10288 KB	Output is correct
32	Correct	139 ms	10288 KB	Output is correct
33	Correct	135 ms	10288 KB	Output is correct
34	Correct	91 ms	10288 KB	Output is correct
35	Correct	120 ms	10288 KB	Output is correct
36	Correct	131 ms	10288 KB	Output is correct
37	Correct	147 ms	10288 KB	Output is correct
38	Correct	128 ms	10288 KB	Output is correct
39	Correct	152 ms	10288 KB	Output is correct
40	Correct	124 ms	10288 KB	Output is correct

Subtask #5
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	564 KB	Output is correct
4	Correct	2 ms	564 KB	Output is correct
5	Correct	2 ms	564 KB	Output is correct
6	Correct	3 ms	564 KB	Output is correct
7	Correct	3 ms	572 KB	Output is correct
8	Correct	2 ms	588 KB	Output is correct
9	Correct	2 ms	588 KB	Output is correct
10	Correct	2 ms	716 KB	Output is correct
11	Correct	143 ms	4436 KB	Output is correct
12	Correct	151 ms	4436 KB	Output is correct
13	Correct	176 ms	4436 KB	Output is correct
14	Correct	155 ms	4436 KB	Output is correct
15	Correct	146 ms	4520 KB	Output is correct
16	Correct	174 ms	4520 KB	Output is correct
17	Correct	204 ms	4520 KB	Output is correct
18	Correct	93 ms	5524 KB	Output is correct
19	Correct	127 ms	5524 KB	Output is correct
20	Correct	155 ms	5524 KB	Output is correct
21	Correct	178 ms	5524 KB	Output is correct
22	Correct	192 ms	5524 KB	Output is correct
23	Correct	227 ms	5524 KB	Output is correct
24	Correct	215 ms	5524 KB	Output is correct
25	Correct	223 ms	5524 KB	Output is correct
26	Correct	243 ms	5524 KB	Output is correct
27	Correct	241 ms	5524 KB	Output is correct
28	Correct	116 ms	6548 KB	Output is correct
29	Correct	153 ms	6548 KB	Output is correct
30	Correct	205 ms	6548 KB	Output is correct
31	Correct	221 ms	6548 KB	Output is correct
32	Correct	284 ms	6548 KB	Output is correct
33	Correct	176 ms	6548 KB	Output is correct
34	Correct	269 ms	6548 KB	Output is correct
35	Correct	240 ms	6548 KB	Output is correct
36	Correct	86 ms	6548 KB	Output is correct
37	Correct	180 ms	6548 KB	Output is correct
38	Correct	175 ms	6548 KB	Output is correct
39	Correct	216 ms	6548 KB	Output is correct
40	Correct	207 ms	6548 KB	Output is correct
41	Correct	112 ms	10028 KB	Output is correct
42	Correct	114 ms	10156 KB	Output is correct
43	Correct	112 ms	10156 KB	Output is correct
44	Correct	177 ms	10228 KB	Output is correct
45	Correct	123 ms	10228 KB	Output is correct
46	Correct	177 ms	10228 KB	Output is correct
47	Correct	144 ms	10228 KB	Output is correct
48	Correct	97 ms	10288 KB	Output is correct
49	Correct	96 ms	10288 KB	Output is correct
50	Correct	101 ms	10288 KB	Output is correct
51	Correct	136 ms	10288 KB	Output is correct
52	Correct	201 ms	10288 KB	Output is correct
53	Correct	102 ms	10288 KB	Output is correct
54	Correct	203 ms	10288 KB	Output is correct
55	Correct	157 ms	10288 KB	Output is correct
56	Correct	128 ms	10288 KB	Output is correct
57	Correct	110 ms	10288 KB	Output is correct
58	Correct	114 ms	10288 KB	Output is correct
59	Correct	120 ms	10288 KB	Output is correct
60	Correct	110 ms	10288 KB	Output is correct
61	Correct	106 ms	10288 KB	Output is correct
62	Correct	139 ms	10288 KB	Output is correct
63	Correct	135 ms	10288 KB	Output is correct
64	Correct	91 ms	10288 KB	Output is correct
65	Correct	120 ms	10288 KB	Output is correct
66	Correct	131 ms	10288 KB	Output is correct
67	Correct	147 ms	10288 KB	Output is correct
68	Correct	128 ms	10288 KB	Output is correct
69	Correct	152 ms	10288 KB	Output is correct
70	Correct	124 ms	10288 KB	Output is correct
71	Correct	463 ms	14684 KB	Output is correct
72	Correct	513 ms	14892 KB	Output is correct
73	Correct	628 ms	14892 KB	Output is correct
74	Correct	1123 ms	14892 KB	Output is correct
75	Correct	466 ms	15788 KB	Output is correct
76	Correct	1325 ms	15788 KB	Output is correct
77	Correct	980 ms	15788 KB	Output is correct
78	Correct	279 ms	17692 KB	Output is correct
79	Correct	385 ms	17692 KB	Output is correct
80	Correct	476 ms	17692 KB	Output is correct
81	Correct	916 ms	17692 KB	Output is correct
82	Correct	1521 ms	17692 KB	Output is correct
83	Correct	395 ms	17692 KB	Output is correct
84	Correct	777 ms	17692 KB	Output is correct
85	Correct	1197 ms	17692 KB	Output is correct
86	Correct	222 ms	17692 KB	Output is correct
87	Correct	493 ms	17692 KB	Output is correct
88	Correct	359 ms	17692 KB	Output is correct
89	Correct	570 ms	17692 KB	Output is correct
90	Correct	537 ms	17692 KB	Output is correct
91	Correct	467 ms	17692 KB	Output is correct
92	Correct	1200 ms	17692 KB	Output is correct
93	Correct	1145 ms	17692 KB	Output is correct
94	Correct	161 ms	17692 KB	Output is correct
95	Correct	879 ms	17692 KB	Output is correct
96	Correct	930 ms	17692 KB	Output is correct
97	Correct	786 ms	17692 KB	Output is correct
98	Correct	900 ms	17692 KB	Output is correct
99	Correct	820 ms	17692 KB	Output is correct
100	Correct	842 ms	17692 KB	Output is correct

Submission #68776

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 25.0 / 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
25.0 / 25.0