답안 #68774 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
68774	2018-08-18T10:56:38 Z	tmwilliamlin168	Snake Escaping (JOI18_snake_escaping)	C++14	100 / 100	1642 ms	65160 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

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	380 KB	Output is correct
2	Correct	4 ms	380 KB	Output is correct
3	Correct	3 ms	444 KB	Output is correct
4	Correct	3 ms	456 KB	Output is correct
5	Correct	2 ms	604 KB	Output is correct
6	Correct	4 ms	612 KB	Output is correct
7	Correct	2 ms	648 KB	Output is correct
8	Correct	3 ms	732 KB	Output is correct
9	Correct	2 ms	732 KB	Output is correct
10	Correct	3 ms	732 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	380 KB	Output is correct
2	Correct	4 ms	380 KB	Output is correct
3	Correct	3 ms	444 KB	Output is correct
4	Correct	3 ms	456 KB	Output is correct
5	Correct	2 ms	604 KB	Output is correct
6	Correct	4 ms	612 KB	Output is correct
7	Correct	2 ms	648 KB	Output is correct
8	Correct	3 ms	732 KB	Output is correct
9	Correct	2 ms	732 KB	Output is correct
10	Correct	3 ms	732 KB	Output is correct
11	Correct	271 ms	6404 KB	Output is correct
12	Correct	237 ms	6404 KB	Output is correct
13	Correct	270 ms	6404 KB	Output is correct
14	Correct	275 ms	6404 KB	Output is correct
15	Correct	282 ms	6472 KB	Output is correct
16	Correct	269 ms	6472 KB	Output is correct
17	Correct	264 ms	6472 KB	Output is correct
18	Correct	197 ms	8908 KB	Output is correct
19	Correct	196 ms	8908 KB	Output is correct
20	Correct	259 ms	8908 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	380 KB	Output is correct
2	Correct	4 ms	380 KB	Output is correct
3	Correct	3 ms	444 KB	Output is correct
4	Correct	3 ms	456 KB	Output is correct
5	Correct	2 ms	604 KB	Output is correct
6	Correct	4 ms	612 KB	Output is correct
7	Correct	2 ms	648 KB	Output is correct
8	Correct	3 ms	732 KB	Output is correct
9	Correct	2 ms	732 KB	Output is correct
10	Correct	3 ms	732 KB	Output is correct
11	Correct	271 ms	6404 KB	Output is correct
12	Correct	237 ms	6404 KB	Output is correct
13	Correct	270 ms	6404 KB	Output is correct
14	Correct	275 ms	6404 KB	Output is correct
15	Correct	282 ms	6472 KB	Output is correct
16	Correct	269 ms	6472 KB	Output is correct
17	Correct	264 ms	6472 KB	Output is correct
18	Correct	197 ms	8908 KB	Output is correct
19	Correct	196 ms	8908 KB	Output is correct
20	Correct	259 ms	8908 KB	Output is correct
21	Correct	286 ms	8908 KB	Output is correct
22	Correct	299 ms	8908 KB	Output is correct
23	Correct	358 ms	8908 KB	Output is correct
24	Correct	322 ms	8908 KB	Output is correct
25	Correct	338 ms	8952 KB	Output is correct
26	Correct	411 ms	8952 KB	Output is correct
27	Correct	339 ms	8952 KB	Output is correct
28	Correct	270 ms	11688 KB	Output is correct
29	Correct	261 ms	11688 KB	Output is correct
30	Correct	361 ms	11688 KB	Output is correct
31	Correct	419 ms	11688 KB	Output is correct
32	Correct	482 ms	11688 KB	Output is correct
33	Correct	306 ms	11688 KB	Output is correct
34	Correct	331 ms	11688 KB	Output is correct
35	Correct	373 ms	11688 KB	Output is correct
36	Correct	218 ms	11688 KB	Output is correct
37	Correct	296 ms	11688 KB	Output is correct
38	Correct	264 ms	11688 KB	Output is correct
39	Correct	354 ms	11688 KB	Output is correct
40	Correct	299 ms	11688 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	380 KB	Output is correct
2	Correct	4 ms	380 KB	Output is correct
3	Correct	3 ms	444 KB	Output is correct
4	Correct	3 ms	456 KB	Output is correct
5	Correct	2 ms	604 KB	Output is correct
6	Correct	4 ms	612 KB	Output is correct
7	Correct	2 ms	648 KB	Output is correct
8	Correct	3 ms	732 KB	Output is correct
9	Correct	2 ms	732 KB	Output is correct
10	Correct	3 ms	732 KB	Output is correct
11	Correct	110 ms	15820 KB	Output is correct
12	Correct	113 ms	15944 KB	Output is correct
13	Correct	142 ms	15944 KB	Output is correct
14	Correct	144 ms	15944 KB	Output is correct
15	Correct	134 ms	15944 KB	Output is correct
16	Correct	169 ms	15944 KB	Output is correct
17	Correct	133 ms	15944 KB	Output is correct
18	Correct	110 ms	16076 KB	Output is correct
19	Correct	117 ms	16076 KB	Output is correct
20	Correct	118 ms	16076 KB	Output is correct
21	Correct	142 ms	16076 KB	Output is correct
22	Correct	159 ms	16076 KB	Output is correct
23	Correct	134 ms	16076 KB	Output is correct
24	Correct	156 ms	16076 KB	Output is correct
25	Correct	182 ms	16076 KB	Output is correct
26	Correct	107 ms	16076 KB	Output is correct
27	Correct	140 ms	16076 KB	Output is correct
28	Correct	133 ms	16076 KB	Output is correct
29	Correct	155 ms	16076 KB	Output is correct
30	Correct	116 ms	16076 KB	Output is correct
31	Correct	128 ms	16076 KB	Output is correct
32	Correct	157 ms	16076 KB	Output is correct
33	Correct	179 ms	16076 KB	Output is correct
34	Correct	114 ms	16076 KB	Output is correct
35	Correct	156 ms	16076 KB	Output is correct
36	Correct	159 ms	16076 KB	Output is correct
37	Correct	145 ms	16076 KB	Output is correct
38	Correct	155 ms	16076 KB	Output is correct
39	Correct	187 ms	16076 KB	Output is correct
40	Correct	145 ms	16076 KB	Output is correct

Subtask #5
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	380 KB	Output is correct
2	Correct	4 ms	380 KB	Output is correct
3	Correct	3 ms	444 KB	Output is correct
4	Correct	3 ms	456 KB	Output is correct
5	Correct	2 ms	604 KB	Output is correct
6	Correct	4 ms	612 KB	Output is correct
7	Correct	2 ms	648 KB	Output is correct
8	Correct	3 ms	732 KB	Output is correct
9	Correct	2 ms	732 KB	Output is correct
10	Correct	3 ms	732 KB	Output is correct
11	Correct	271 ms	6404 KB	Output is correct
12	Correct	237 ms	6404 KB	Output is correct
13	Correct	270 ms	6404 KB	Output is correct
14	Correct	275 ms	6404 KB	Output is correct
15	Correct	282 ms	6472 KB	Output is correct
16	Correct	269 ms	6472 KB	Output is correct
17	Correct	264 ms	6472 KB	Output is correct
18	Correct	197 ms	8908 KB	Output is correct
19	Correct	196 ms	8908 KB	Output is correct
20	Correct	259 ms	8908 KB	Output is correct
21	Correct	286 ms	8908 KB	Output is correct
22	Correct	299 ms	8908 KB	Output is correct
23	Correct	358 ms	8908 KB	Output is correct
24	Correct	322 ms	8908 KB	Output is correct
25	Correct	338 ms	8952 KB	Output is correct
26	Correct	411 ms	8952 KB	Output is correct
27	Correct	339 ms	8952 KB	Output is correct
28	Correct	270 ms	11688 KB	Output is correct
29	Correct	261 ms	11688 KB	Output is correct
30	Correct	361 ms	11688 KB	Output is correct
31	Correct	419 ms	11688 KB	Output is correct
32	Correct	482 ms	11688 KB	Output is correct
33	Correct	306 ms	11688 KB	Output is correct
34	Correct	331 ms	11688 KB	Output is correct
35	Correct	373 ms	11688 KB	Output is correct
36	Correct	218 ms	11688 KB	Output is correct
37	Correct	296 ms	11688 KB	Output is correct
38	Correct	264 ms	11688 KB	Output is correct
39	Correct	354 ms	11688 KB	Output is correct
40	Correct	299 ms	11688 KB	Output is correct
41	Correct	110 ms	15820 KB	Output is correct
42	Correct	113 ms	15944 KB	Output is correct
43	Correct	142 ms	15944 KB	Output is correct
44	Correct	144 ms	15944 KB	Output is correct
45	Correct	134 ms	15944 KB	Output is correct
46	Correct	169 ms	15944 KB	Output is correct
47	Correct	133 ms	15944 KB	Output is correct
48	Correct	110 ms	16076 KB	Output is correct
49	Correct	117 ms	16076 KB	Output is correct
50	Correct	118 ms	16076 KB	Output is correct
51	Correct	142 ms	16076 KB	Output is correct
52	Correct	159 ms	16076 KB	Output is correct
53	Correct	134 ms	16076 KB	Output is correct
54	Correct	156 ms	16076 KB	Output is correct
55	Correct	182 ms	16076 KB	Output is correct
56	Correct	107 ms	16076 KB	Output is correct
57	Correct	140 ms	16076 KB	Output is correct
58	Correct	133 ms	16076 KB	Output is correct
59	Correct	155 ms	16076 KB	Output is correct
60	Correct	116 ms	16076 KB	Output is correct
61	Correct	128 ms	16076 KB	Output is correct
62	Correct	157 ms	16076 KB	Output is correct
63	Correct	179 ms	16076 KB	Output is correct
64	Correct	114 ms	16076 KB	Output is correct
65	Correct	156 ms	16076 KB	Output is correct
66	Correct	159 ms	16076 KB	Output is correct
67	Correct	145 ms	16076 KB	Output is correct
68	Correct	155 ms	16076 KB	Output is correct
69	Correct	187 ms	16076 KB	Output is correct
70	Correct	145 ms	16076 KB	Output is correct
71	Correct	638 ms	20640 KB	Output is correct
72	Correct	694 ms	21356 KB	Output is correct
73	Correct	832 ms	21356 KB	Output is correct
74	Correct	1642 ms	21356 KB	Output is correct
75	Correct	750 ms	22232 KB	Output is correct
76	Correct	1631 ms	22232 KB	Output is correct
77	Correct	1374 ms	22232 KB	Output is correct
78	Correct	471 ms	24132 KB	Output is correct
79	Correct	581 ms	24132 KB	Output is correct
80	Correct	651 ms	24132 KB	Output is correct
81	Correct	1025 ms	24132 KB	Output is correct
82	Correct	1459 ms	24132 KB	Output is correct
83	Correct	552 ms	24132 KB	Output is correct
84	Correct	953 ms	24132 KB	Output is correct
85	Correct	1086 ms	24132 KB	Output is correct
86	Correct	394 ms	24132 KB	Output is correct
87	Correct	729 ms	24132 KB	Output is correct
88	Correct	617 ms	24132 KB	Output is correct
89	Correct	788 ms	24132 KB	Output is correct
90	Correct	736 ms	24132 KB	Output is correct
91	Correct	629 ms	24132 KB	Output is correct
92	Correct	1313 ms	24132 KB	Output is correct
93	Correct	1109 ms	24132 KB	Output is correct
94	Correct	365 ms	24132 KB	Output is correct
95	Correct	950 ms	24132 KB	Output is correct
96	Correct	877 ms	24132 KB	Output is correct
97	Correct	916 ms	24132 KB	Output is correct
98	Correct	932 ms	43648 KB	Output is correct
99	Correct	865 ms	43648 KB	Output is correct
100	Correct	926 ms	65160 KB	Output is correct

답안 #68774

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