답안 #68764

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
68764 2018-08-18T10:45:30 Z tmwilliamlin168 Snake Escaping (JOI18_snake_escaping) C++14
75 / 100
1774 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 3 ms 376 KB Output is correct
2 Correct 3 ms 448 KB Output is correct
3 Correct 3 ms 448 KB Output is correct
4 Correct 4 ms 488 KB Output is correct
5 Correct 3 ms 488 KB Output is correct
6 Correct 3 ms 636 KB Output is correct
7 Correct 4 ms 636 KB Output is correct
8 Correct 4 ms 636 KB Output is correct
9 Correct 3 ms 636 KB Output is correct
10 Correct 3 ms 704 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 448 KB Output is correct
3 Correct 3 ms 448 KB Output is correct
4 Correct 4 ms 488 KB Output is correct
5 Correct 3 ms 488 KB Output is correct
6 Correct 3 ms 636 KB Output is correct
7 Correct 4 ms 636 KB Output is correct
8 Correct 4 ms 636 KB Output is correct
9 Correct 3 ms 636 KB Output is correct
10 Correct 3 ms 704 KB Output is correct
11 Correct 252 ms 5900 KB Output is correct
12 Correct 251 ms 5900 KB Output is correct
13 Correct 295 ms 5900 KB Output is correct
14 Correct 253 ms 5900 KB Output is correct
15 Correct 244 ms 6156 KB Output is correct
16 Correct 272 ms 6156 KB Output is correct
17 Correct 283 ms 6156 KB Output is correct
18 Correct 195 ms 8864 KB Output is correct
19 Correct 194 ms 8864 KB Output is correct
20 Correct 250 ms 8864 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 448 KB Output is correct
3 Correct 3 ms 448 KB Output is correct
4 Correct 4 ms 488 KB Output is correct
5 Correct 3 ms 488 KB Output is correct
6 Correct 3 ms 636 KB Output is correct
7 Correct 4 ms 636 KB Output is correct
8 Correct 4 ms 636 KB Output is correct
9 Correct 3 ms 636 KB Output is correct
10 Correct 3 ms 704 KB Output is correct
11 Correct 252 ms 5900 KB Output is correct
12 Correct 251 ms 5900 KB Output is correct
13 Correct 295 ms 5900 KB Output is correct
14 Correct 253 ms 5900 KB Output is correct
15 Correct 244 ms 6156 KB Output is correct
16 Correct 272 ms 6156 KB Output is correct
17 Correct 283 ms 6156 KB Output is correct
18 Correct 195 ms 8864 KB Output is correct
19 Correct 194 ms 8864 KB Output is correct
20 Correct 250 ms 8864 KB Output is correct
21 Correct 337 ms 8864 KB Output is correct
22 Correct 311 ms 8864 KB Output is correct
23 Correct 324 ms 8864 KB Output is correct
24 Correct 324 ms 8864 KB Output is correct
25 Correct 339 ms 9040 KB Output is correct
26 Correct 347 ms 9040 KB Output is correct
27 Correct 382 ms 9040 KB Output is correct
28 Correct 264 ms 10952 KB Output is correct
29 Correct 263 ms 10952 KB Output is correct
30 Correct 336 ms 10952 KB Output is correct
31 Correct 350 ms 10952 KB Output is correct
32 Correct 475 ms 10952 KB Output is correct
33 Correct 327 ms 10952 KB Output is correct
34 Correct 356 ms 10952 KB Output is correct
35 Correct 352 ms 10952 KB Output is correct
36 Correct 221 ms 10952 KB Output is correct
37 Correct 347 ms 10952 KB Output is correct
38 Correct 247 ms 10952 KB Output is correct
39 Correct 344 ms 10952 KB Output is correct
40 Correct 372 ms 10952 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 448 KB Output is correct
3 Correct 3 ms 448 KB Output is correct
4 Correct 4 ms 488 KB Output is correct
5 Correct 3 ms 488 KB Output is correct
6 Correct 3 ms 636 KB Output is correct
7 Correct 4 ms 636 KB Output is correct
8 Correct 4 ms 636 KB Output is correct
9 Correct 3 ms 636 KB Output is correct
10 Correct 3 ms 704 KB Output is correct
11 Correct 120 ms 15112 KB Output is correct
12 Correct 121 ms 15240 KB Output is correct
13 Correct 127 ms 15240 KB Output is correct
14 Correct 189 ms 15240 KB Output is correct
15 Correct 138 ms 15240 KB Output is correct
16 Correct 170 ms 15240 KB Output is correct
17 Correct 156 ms 15240 KB Output is correct
18 Correct 118 ms 15492 KB Output is correct
19 Correct 122 ms 15492 KB Output is correct
20 Correct 131 ms 15492 KB Output is correct
21 Correct 201 ms 15492 KB Output is correct
22 Correct 147 ms 15492 KB Output is correct
23 Correct 120 ms 15492 KB Output is correct
24 Correct 152 ms 15492 KB Output is correct
25 Correct 152 ms 15492 KB Output is correct
26 Correct 114 ms 15492 KB Output is correct
27 Correct 137 ms 15492 KB Output is correct
28 Correct 111 ms 15492 KB Output is correct
29 Correct 118 ms 15492 KB Output is correct
30 Correct 130 ms 15492 KB Output is correct
31 Correct 128 ms 15492 KB Output is correct
32 Correct 160 ms 15492 KB Output is correct
33 Correct 144 ms 15492 KB Output is correct
34 Correct 103 ms 15492 KB Output is correct
35 Correct 137 ms 15492 KB Output is correct
36 Correct 148 ms 15492 KB Output is correct
37 Correct 123 ms 15492 KB Output is correct
38 Correct 159 ms 15492 KB Output is correct
39 Correct 162 ms 15492 KB Output is correct
40 Correct 151 ms 15492 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 448 KB Output is correct
3 Correct 3 ms 448 KB Output is correct
4 Correct 4 ms 488 KB Output is correct
5 Correct 3 ms 488 KB Output is correct
6 Correct 3 ms 636 KB Output is correct
7 Correct 4 ms 636 KB Output is correct
8 Correct 4 ms 636 KB Output is correct
9 Correct 3 ms 636 KB Output is correct
10 Correct 3 ms 704 KB Output is correct
11 Correct 252 ms 5900 KB Output is correct
12 Correct 251 ms 5900 KB Output is correct
13 Correct 295 ms 5900 KB Output is correct
14 Correct 253 ms 5900 KB Output is correct
15 Correct 244 ms 6156 KB Output is correct
16 Correct 272 ms 6156 KB Output is correct
17 Correct 283 ms 6156 KB Output is correct
18 Correct 195 ms 8864 KB Output is correct
19 Correct 194 ms 8864 KB Output is correct
20 Correct 250 ms 8864 KB Output is correct
21 Correct 337 ms 8864 KB Output is correct
22 Correct 311 ms 8864 KB Output is correct
23 Correct 324 ms 8864 KB Output is correct
24 Correct 324 ms 8864 KB Output is correct
25 Correct 339 ms 9040 KB Output is correct
26 Correct 347 ms 9040 KB Output is correct
27 Correct 382 ms 9040 KB Output is correct
28 Correct 264 ms 10952 KB Output is correct
29 Correct 263 ms 10952 KB Output is correct
30 Correct 336 ms 10952 KB Output is correct
31 Correct 350 ms 10952 KB Output is correct
32 Correct 475 ms 10952 KB Output is correct
33 Correct 327 ms 10952 KB Output is correct
34 Correct 356 ms 10952 KB Output is correct
35 Correct 352 ms 10952 KB Output is correct
36 Correct 221 ms 10952 KB Output is correct
37 Correct 347 ms 10952 KB Output is correct
38 Correct 247 ms 10952 KB Output is correct
39 Correct 344 ms 10952 KB Output is correct
40 Correct 372 ms 10952 KB Output is correct
41 Correct 120 ms 15112 KB Output is correct
42 Correct 121 ms 15240 KB Output is correct
43 Correct 127 ms 15240 KB Output is correct
44 Correct 189 ms 15240 KB Output is correct
45 Correct 138 ms 15240 KB Output is correct
46 Correct 170 ms 15240 KB Output is correct
47 Correct 156 ms 15240 KB Output is correct
48 Correct 118 ms 15492 KB Output is correct
49 Correct 122 ms 15492 KB Output is correct
50 Correct 131 ms 15492 KB Output is correct
51 Correct 201 ms 15492 KB Output is correct
52 Correct 147 ms 15492 KB Output is correct
53 Correct 120 ms 15492 KB Output is correct
54 Correct 152 ms 15492 KB Output is correct
55 Correct 152 ms 15492 KB Output is correct
56 Correct 114 ms 15492 KB Output is correct
57 Correct 137 ms 15492 KB Output is correct
58 Correct 111 ms 15492 KB Output is correct
59 Correct 118 ms 15492 KB Output is correct
60 Correct 130 ms 15492 KB Output is correct
61 Correct 128 ms 15492 KB Output is correct
62 Correct 160 ms 15492 KB Output is correct
63 Correct 144 ms 15492 KB Output is correct
64 Correct 103 ms 15492 KB Output is correct
65 Correct 137 ms 15492 KB Output is correct
66 Correct 148 ms 15492 KB Output is correct
67 Correct 123 ms 15492 KB Output is correct
68 Correct 159 ms 15492 KB Output is correct
69 Correct 162 ms 15492 KB Output is correct
70 Correct 151 ms 15492 KB Output is correct
71 Correct 700 ms 20072 KB Output is correct
72 Correct 695 ms 21096 KB Output is correct
73 Correct 771 ms 21096 KB Output is correct
74 Correct 1774 ms 21096 KB Output is correct
75 Correct 659 ms 21776 KB Output is correct
76 Correct 1422 ms 21776 KB Output is correct
77 Correct 1122 ms 21776 KB Output is correct
78 Correct 485 ms 23900 KB Output is correct
79 Correct 490 ms 23900 KB Output is correct
80 Correct 764 ms 23900 KB Output is correct
81 Correct 1100 ms 23900 KB Output is correct
82 Correct 1730 ms 23900 KB Output is correct
83 Correct 592 ms 23900 KB Output is correct
84 Correct 1036 ms 23900 KB Output is correct
85 Correct 1254 ms 23900 KB Output is correct
86 Correct 397 ms 23900 KB Output is correct
87 Correct 618 ms 23900 KB Output is correct
88 Correct 567 ms 41124 KB Output is correct
89 Correct 739 ms 42640 KB Output is correct
90 Correct 774 ms 64624 KB Output is correct
91 Runtime error 661 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.
92 Halted 0 ms 0 KB -