답안 #68765

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
68765 2018-08-18T10:46:38 Z tmwilliamlin168 Snake Escaping (JOI18_snake_escaping) C++14
75 / 100
1674 ms 66560 KB
#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)
        ~~~~^~
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 660 KB Output is correct
5 Correct 2 ms 660 KB Output is correct
6 Correct 2 ms 660 KB Output is correct
7 Correct 3 ms 752 KB Output is correct
8 Correct 2 ms 752 KB Output is correct
9 Correct 3 ms 820 KB Output is correct
10 Correct 2 ms 820 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 660 KB Output is correct
5 Correct 2 ms 660 KB Output is correct
6 Correct 2 ms 660 KB Output is correct
7 Correct 3 ms 752 KB Output is correct
8 Correct 2 ms 752 KB Output is correct
9 Correct 3 ms 820 KB Output is correct
10 Correct 2 ms 820 KB Output is correct
11 Correct 232 ms 6628 KB Output is correct
12 Correct 237 ms 6680 KB Output is correct
13 Correct 251 ms 6680 KB Output is correct
14 Correct 244 ms 6680 KB Output is correct
15 Correct 251 ms 7320 KB Output is correct
16 Correct 267 ms 7320 KB Output is correct
17 Correct 278 ms 7764 KB Output is correct
18 Correct 275 ms 10568 KB Output is correct
19 Correct 204 ms 10568 KB Output is correct
20 Correct 292 ms 10568 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 660 KB Output is correct
5 Correct 2 ms 660 KB Output is correct
6 Correct 2 ms 660 KB Output is correct
7 Correct 3 ms 752 KB Output is correct
8 Correct 2 ms 752 KB Output is correct
9 Correct 3 ms 820 KB Output is correct
10 Correct 2 ms 820 KB Output is correct
11 Correct 232 ms 6628 KB Output is correct
12 Correct 237 ms 6680 KB Output is correct
13 Correct 251 ms 6680 KB Output is correct
14 Correct 244 ms 6680 KB Output is correct
15 Correct 251 ms 7320 KB Output is correct
16 Correct 267 ms 7320 KB Output is correct
17 Correct 278 ms 7764 KB Output is correct
18 Correct 275 ms 10568 KB Output is correct
19 Correct 204 ms 10568 KB Output is correct
20 Correct 292 ms 10568 KB Output is correct
21 Correct 339 ms 10568 KB Output is correct
22 Correct 342 ms 10568 KB Output is correct
23 Correct 370 ms 10568 KB Output is correct
24 Correct 312 ms 10568 KB Output is correct
25 Correct 317 ms 11148 KB Output is correct
26 Correct 341 ms 11148 KB Output is correct
27 Correct 341 ms 11148 KB Output is correct
28 Correct 261 ms 12940 KB Output is correct
29 Correct 244 ms 12940 KB Output is correct
30 Correct 305 ms 12940 KB Output is correct
31 Correct 368 ms 12940 KB Output is correct
32 Correct 392 ms 12940 KB Output is correct
33 Correct 277 ms 12940 KB Output is correct
34 Correct 325 ms 12940 KB Output is correct
35 Correct 370 ms 12940 KB Output is correct
36 Correct 188 ms 12940 KB Output is correct
37 Correct 282 ms 12940 KB Output is correct
38 Correct 249 ms 12940 KB Output is correct
39 Correct 309 ms 12940 KB Output is correct
40 Correct 340 ms 12940 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 660 KB Output is correct
5 Correct 2 ms 660 KB Output is correct
6 Correct 2 ms 660 KB Output is correct
7 Correct 3 ms 752 KB Output is correct
8 Correct 2 ms 752 KB Output is correct
9 Correct 3 ms 820 KB Output is correct
10 Correct 2 ms 820 KB Output is correct
11 Correct 115 ms 17980 KB Output is correct
12 Correct 116 ms 17980 KB Output is correct
13 Correct 160 ms 17980 KB Output is correct
14 Correct 172 ms 17980 KB Output is correct
15 Correct 117 ms 17996 KB Output is correct
16 Correct 160 ms 17996 KB Output is correct
17 Correct 135 ms 17996 KB Output is correct
18 Correct 112 ms 18160 KB Output is correct
19 Correct 137 ms 18160 KB Output is correct
20 Correct 132 ms 18160 KB Output is correct
21 Correct 130 ms 18160 KB Output is correct
22 Correct 151 ms 18160 KB Output is correct
23 Correct 111 ms 18160 KB Output is correct
24 Correct 129 ms 18160 KB Output is correct
25 Correct 181 ms 18160 KB Output is correct
26 Correct 118 ms 18160 KB Output is correct
27 Correct 117 ms 18292 KB Output is correct
28 Correct 113 ms 18292 KB Output is correct
29 Correct 123 ms 18292 KB Output is correct
30 Correct 131 ms 18292 KB Output is correct
31 Correct 126 ms 18292 KB Output is correct
32 Correct 148 ms 18292 KB Output is correct
33 Correct 140 ms 18292 KB Output is correct
34 Correct 101 ms 18292 KB Output is correct
35 Correct 140 ms 18292 KB Output is correct
36 Correct 125 ms 18292 KB Output is correct
37 Correct 128 ms 18292 KB Output is correct
38 Correct 132 ms 18292 KB Output is correct
39 Correct 127 ms 18292 KB Output is correct
40 Correct 126 ms 18292 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 660 KB Output is correct
5 Correct 2 ms 660 KB Output is correct
6 Correct 2 ms 660 KB Output is correct
7 Correct 3 ms 752 KB Output is correct
8 Correct 2 ms 752 KB Output is correct
9 Correct 3 ms 820 KB Output is correct
10 Correct 2 ms 820 KB Output is correct
11 Correct 232 ms 6628 KB Output is correct
12 Correct 237 ms 6680 KB Output is correct
13 Correct 251 ms 6680 KB Output is correct
14 Correct 244 ms 6680 KB Output is correct
15 Correct 251 ms 7320 KB Output is correct
16 Correct 267 ms 7320 KB Output is correct
17 Correct 278 ms 7764 KB Output is correct
18 Correct 275 ms 10568 KB Output is correct
19 Correct 204 ms 10568 KB Output is correct
20 Correct 292 ms 10568 KB Output is correct
21 Correct 339 ms 10568 KB Output is correct
22 Correct 342 ms 10568 KB Output is correct
23 Correct 370 ms 10568 KB Output is correct
24 Correct 312 ms 10568 KB Output is correct
25 Correct 317 ms 11148 KB Output is correct
26 Correct 341 ms 11148 KB Output is correct
27 Correct 341 ms 11148 KB Output is correct
28 Correct 261 ms 12940 KB Output is correct
29 Correct 244 ms 12940 KB Output is correct
30 Correct 305 ms 12940 KB Output is correct
31 Correct 368 ms 12940 KB Output is correct
32 Correct 392 ms 12940 KB Output is correct
33 Correct 277 ms 12940 KB Output is correct
34 Correct 325 ms 12940 KB Output is correct
35 Correct 370 ms 12940 KB Output is correct
36 Correct 188 ms 12940 KB Output is correct
37 Correct 282 ms 12940 KB Output is correct
38 Correct 249 ms 12940 KB Output is correct
39 Correct 309 ms 12940 KB Output is correct
40 Correct 340 ms 12940 KB Output is correct
41 Correct 115 ms 17980 KB Output is correct
42 Correct 116 ms 17980 KB Output is correct
43 Correct 160 ms 17980 KB Output is correct
44 Correct 172 ms 17980 KB Output is correct
45 Correct 117 ms 17996 KB Output is correct
46 Correct 160 ms 17996 KB Output is correct
47 Correct 135 ms 17996 KB Output is correct
48 Correct 112 ms 18160 KB Output is correct
49 Correct 137 ms 18160 KB Output is correct
50 Correct 132 ms 18160 KB Output is correct
51 Correct 130 ms 18160 KB Output is correct
52 Correct 151 ms 18160 KB Output is correct
53 Correct 111 ms 18160 KB Output is correct
54 Correct 129 ms 18160 KB Output is correct
55 Correct 181 ms 18160 KB Output is correct
56 Correct 118 ms 18160 KB Output is correct
57 Correct 117 ms 18292 KB Output is correct
58 Correct 113 ms 18292 KB Output is correct
59 Correct 123 ms 18292 KB Output is correct
60 Correct 131 ms 18292 KB Output is correct
61 Correct 126 ms 18292 KB Output is correct
62 Correct 148 ms 18292 KB Output is correct
63 Correct 140 ms 18292 KB Output is correct
64 Correct 101 ms 18292 KB Output is correct
65 Correct 140 ms 18292 KB Output is correct
66 Correct 125 ms 18292 KB Output is correct
67 Correct 128 ms 18292 KB Output is correct
68 Correct 132 ms 18292 KB Output is correct
69 Correct 127 ms 18292 KB Output is correct
70 Correct 126 ms 18292 KB Output is correct
71 Correct 625 ms 22900 KB Output is correct
72 Correct 656 ms 24556 KB Output is correct
73 Correct 774 ms 24556 KB Output is correct
74 Correct 1674 ms 24556 KB Output is correct
75 Correct 711 ms 25384 KB Output is correct
76 Correct 1283 ms 25384 KB Output is correct
77 Correct 1057 ms 25384 KB Output is correct
78 Correct 462 ms 27560 KB Output is correct
79 Correct 486 ms 27560 KB Output is correct
80 Correct 631 ms 27560 KB Output is correct
81 Correct 861 ms 27560 KB Output is correct
82 Correct 1612 ms 27560 KB Output is correct
83 Correct 530 ms 27560 KB Output is correct
84 Correct 1032 ms 27560 KB Output is correct
85 Correct 1006 ms 27560 KB Output is correct
86 Correct 346 ms 27560 KB Output is correct
87 Correct 572 ms 27560 KB Output is correct
88 Correct 498 ms 35044 KB Output is correct
89 Correct 675 ms 36820 KB Output is correct
90 Correct 706 ms 37092 KB Output is correct
91 Correct 556 ms 37092 KB Output is correct
92 Correct 1197 ms 59116 KB Output is correct
93 Runtime error 1101 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.
94 Halted 0 ms 0 KB -