답안 #68760 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
68760	2018-08-18T10:41:31 Z	tmwilliamlin168	Snake Escaping (JOI18_snake_escaping)	C++14	75 / 100	1883 ms	66560 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

#	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	2 ms	456 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	2 ms	516 KB	Output is correct
6	Correct	2 ms	532 KB	Output is correct
7	Correct	3 ms	540 KB	Output is correct
8	Correct	2 ms	628 KB	Output is correct
9	Correct	3 ms	640 KB	Output is correct
10	Correct	3 ms	652 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	2 ms	456 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	2 ms	516 KB	Output is correct
6	Correct	2 ms	532 KB	Output is correct
7	Correct	3 ms	540 KB	Output is correct
8	Correct	2 ms	628 KB	Output is correct
9	Correct	3 ms	640 KB	Output is correct
10	Correct	3 ms	652 KB	Output is correct
11	Correct	163 ms	7228 KB	Output is correct
12	Correct	171 ms	7228 KB	Output is correct
13	Correct	162 ms	7228 KB	Output is correct
14	Correct	167 ms	7228 KB	Output is correct
15	Correct	158 ms	8064 KB	Output is correct
16	Correct	173 ms	8064 KB	Output is correct
17	Correct	203 ms	9004 KB	Output is correct
18	Correct	103 ms	11684 KB	Output is correct
19	Correct	111 ms	11684 KB	Output is correct
20	Correct	176 ms	11684 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	2 ms	456 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	2 ms	516 KB	Output is correct
6	Correct	2 ms	532 KB	Output is correct
7	Correct	3 ms	540 KB	Output is correct
8	Correct	2 ms	628 KB	Output is correct
9	Correct	3 ms	640 KB	Output is correct
10	Correct	3 ms	652 KB	Output is correct
11	Correct	163 ms	7228 KB	Output is correct
12	Correct	171 ms	7228 KB	Output is correct
13	Correct	162 ms	7228 KB	Output is correct
14	Correct	167 ms	7228 KB	Output is correct
15	Correct	158 ms	8064 KB	Output is correct
16	Correct	173 ms	8064 KB	Output is correct
17	Correct	203 ms	9004 KB	Output is correct
18	Correct	103 ms	11684 KB	Output is correct
19	Correct	111 ms	11684 KB	Output is correct
20	Correct	176 ms	11684 KB	Output is correct
21	Correct	180 ms	11684 KB	Output is correct
22	Correct	195 ms	11684 KB	Output is correct
23	Correct	237 ms	11684 KB	Output is correct
24	Correct	248 ms	11684 KB	Output is correct
25	Correct	192 ms	12228 KB	Output is correct
26	Correct	264 ms	12228 KB	Output is correct
27	Correct	270 ms	12228 KB	Output is correct
28	Correct	116 ms	14700 KB	Output is correct
29	Correct	168 ms	14700 KB	Output is correct
30	Correct	215 ms	14700 KB	Output is correct
31	Correct	275 ms	14700 KB	Output is correct
32	Correct	309 ms	14700 KB	Output is correct
33	Correct	199 ms	14700 KB	Output is correct
34	Correct	266 ms	14700 KB	Output is correct
35	Correct	293 ms	14700 KB	Output is correct
36	Correct	84 ms	14700 KB	Output is correct
37	Correct	193 ms	14700 KB	Output is correct
38	Correct	159 ms	14700 KB	Output is correct
39	Correct	217 ms	14700 KB	Output is correct
40	Correct	226 ms	14700 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	2 ms	456 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	2 ms	516 KB	Output is correct
6	Correct	2 ms	532 KB	Output is correct
7	Correct	3 ms	540 KB	Output is correct
8	Correct	2 ms	628 KB	Output is correct
9	Correct	3 ms	640 KB	Output is correct
10	Correct	3 ms	652 KB	Output is correct
11	Correct	112 ms	19980 KB	Output is correct
12	Correct	109 ms	19980 KB	Output is correct
13	Correct	118 ms	19980 KB	Output is correct
14	Correct	152 ms	19980 KB	Output is correct
15	Correct	110 ms	20016 KB	Output is correct
16	Correct	140 ms	20016 KB	Output is correct
17	Correct	124 ms	20016 KB	Output is correct
18	Correct	91 ms	20144 KB	Output is correct
19	Correct	92 ms	20144 KB	Output is correct
20	Correct	109 ms	20144 KB	Output is correct
21	Correct	142 ms	20144 KB	Output is correct
22	Correct	186 ms	20144 KB	Output is correct
23	Correct	110 ms	20144 KB	Output is correct
24	Correct	129 ms	20144 KB	Output is correct
25	Correct	133 ms	20144 KB	Output is correct
26	Correct	107 ms	20144 KB	Output is correct
27	Correct	141 ms	20392 KB	Output is correct
28	Correct	104 ms	20392 KB	Output is correct
29	Correct	117 ms	20392 KB	Output is correct
30	Correct	115 ms	20392 KB	Output is correct
31	Correct	122 ms	20392 KB	Output is correct
32	Correct	163 ms	20408 KB	Output is correct
33	Correct	137 ms	20408 KB	Output is correct
34	Correct	85 ms	20408 KB	Output is correct
35	Correct	136 ms	20408 KB	Output is correct
36	Correct	124 ms	20408 KB	Output is correct
37	Correct	122 ms	20408 KB	Output is correct
38	Correct	130 ms	20440 KB	Output is correct
39	Correct	120 ms	20440 KB	Output is correct
40	Correct	119 ms	20440 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	2 ms	456 KB	Output is correct
4	Correct	3 ms	468 KB	Output is correct
5	Correct	2 ms	516 KB	Output is correct
6	Correct	2 ms	532 KB	Output is correct
7	Correct	3 ms	540 KB	Output is correct
8	Correct	2 ms	628 KB	Output is correct
9	Correct	3 ms	640 KB	Output is correct
10	Correct	3 ms	652 KB	Output is correct
11	Correct	163 ms	7228 KB	Output is correct
12	Correct	171 ms	7228 KB	Output is correct
13	Correct	162 ms	7228 KB	Output is correct
14	Correct	167 ms	7228 KB	Output is correct
15	Correct	158 ms	8064 KB	Output is correct
16	Correct	173 ms	8064 KB	Output is correct
17	Correct	203 ms	9004 KB	Output is correct
18	Correct	103 ms	11684 KB	Output is correct
19	Correct	111 ms	11684 KB	Output is correct
20	Correct	176 ms	11684 KB	Output is correct
21	Correct	180 ms	11684 KB	Output is correct
22	Correct	195 ms	11684 KB	Output is correct
23	Correct	237 ms	11684 KB	Output is correct
24	Correct	248 ms	11684 KB	Output is correct
25	Correct	192 ms	12228 KB	Output is correct
26	Correct	264 ms	12228 KB	Output is correct
27	Correct	270 ms	12228 KB	Output is correct
28	Correct	116 ms	14700 KB	Output is correct
29	Correct	168 ms	14700 KB	Output is correct
30	Correct	215 ms	14700 KB	Output is correct
31	Correct	275 ms	14700 KB	Output is correct
32	Correct	309 ms	14700 KB	Output is correct
33	Correct	199 ms	14700 KB	Output is correct
34	Correct	266 ms	14700 KB	Output is correct
35	Correct	293 ms	14700 KB	Output is correct
36	Correct	84 ms	14700 KB	Output is correct
37	Correct	193 ms	14700 KB	Output is correct
38	Correct	159 ms	14700 KB	Output is correct
39	Correct	217 ms	14700 KB	Output is correct
40	Correct	226 ms	14700 KB	Output is correct
41	Correct	112 ms	19980 KB	Output is correct
42	Correct	109 ms	19980 KB	Output is correct
43	Correct	118 ms	19980 KB	Output is correct
44	Correct	152 ms	19980 KB	Output is correct
45	Correct	110 ms	20016 KB	Output is correct
46	Correct	140 ms	20016 KB	Output is correct
47	Correct	124 ms	20016 KB	Output is correct
48	Correct	91 ms	20144 KB	Output is correct
49	Correct	92 ms	20144 KB	Output is correct
50	Correct	109 ms	20144 KB	Output is correct
51	Correct	142 ms	20144 KB	Output is correct
52	Correct	186 ms	20144 KB	Output is correct
53	Correct	110 ms	20144 KB	Output is correct
54	Correct	129 ms	20144 KB	Output is correct
55	Correct	133 ms	20144 KB	Output is correct
56	Correct	107 ms	20144 KB	Output is correct
57	Correct	141 ms	20392 KB	Output is correct
58	Correct	104 ms	20392 KB	Output is correct
59	Correct	117 ms	20392 KB	Output is correct
60	Correct	115 ms	20392 KB	Output is correct
61	Correct	122 ms	20392 KB	Output is correct
62	Correct	163 ms	20408 KB	Output is correct
63	Correct	137 ms	20408 KB	Output is correct
64	Correct	85 ms	20408 KB	Output is correct
65	Correct	136 ms	20408 KB	Output is correct
66	Correct	124 ms	20408 KB	Output is correct
67	Correct	122 ms	20408 KB	Output is correct
68	Correct	130 ms	20440 KB	Output is correct
69	Correct	120 ms	20440 KB	Output is correct
70	Correct	119 ms	20440 KB	Output is correct
71	Correct	466 ms	25116 KB	Output is correct
72	Correct	490 ms	27856 KB	Output is correct
73	Correct	682 ms	27856 KB	Output is correct
74	Correct	1235 ms	27856 KB	Output is correct
75	Correct	467 ms	28776 KB	Output is correct
76	Correct	1507 ms	28776 KB	Output is correct
77	Correct	1039 ms	28776 KB	Output is correct
78	Correct	305 ms	31360 KB	Output is correct
79	Correct	456 ms	31360 KB	Output is correct
80	Correct	502 ms	31360 KB	Output is correct
81	Correct	843 ms	31360 KB	Output is correct
82	Correct	1883 ms	49196 KB	Output is correct
83	Correct	442 ms	49196 KB	Output is correct
84	Runtime error	882 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.
85	Halted	0 ms	0 KB	-

답안 #68760

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