답안 #68767

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
68767 2018-08-18T10:50:57 Z tmwilliamlin168 Snake Escaping (JOI18_snake_escaping) C++14
75 / 100
1866 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 368 KB Output is correct
2 Correct 3 ms 368 KB Output is correct
3 Correct 2 ms 456 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 3 ms 480 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 3 ms 648 KB Output is correct
8 Correct 3 ms 648 KB Output is correct
9 Correct 3 ms 648 KB Output is correct
10 Correct 3 ms 648 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 368 KB Output is correct
2 Correct 3 ms 368 KB Output is correct
3 Correct 2 ms 456 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 3 ms 480 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 3 ms 648 KB Output is correct
8 Correct 3 ms 648 KB Output is correct
9 Correct 3 ms 648 KB Output is correct
10 Correct 3 ms 648 KB Output is correct
11 Correct 276 ms 5916 KB Output is correct
12 Correct 266 ms 5916 KB Output is correct
13 Correct 281 ms 5916 KB Output is correct
14 Correct 284 ms 5916 KB Output is correct
15 Correct 251 ms 6220 KB Output is correct
16 Correct 285 ms 6220 KB Output is correct
17 Correct 314 ms 6220 KB Output is correct
18 Correct 270 ms 8460 KB Output is correct
19 Correct 220 ms 8460 KB Output is correct
20 Correct 352 ms 8460 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 368 KB Output is correct
2 Correct 3 ms 368 KB Output is correct
3 Correct 2 ms 456 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 3 ms 480 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 3 ms 648 KB Output is correct
8 Correct 3 ms 648 KB Output is correct
9 Correct 3 ms 648 KB Output is correct
10 Correct 3 ms 648 KB Output is correct
11 Correct 276 ms 5916 KB Output is correct
12 Correct 266 ms 5916 KB Output is correct
13 Correct 281 ms 5916 KB Output is correct
14 Correct 284 ms 5916 KB Output is correct
15 Correct 251 ms 6220 KB Output is correct
16 Correct 285 ms 6220 KB Output is correct
17 Correct 314 ms 6220 KB Output is correct
18 Correct 270 ms 8460 KB Output is correct
19 Correct 220 ms 8460 KB Output is correct
20 Correct 352 ms 8460 KB Output is correct
21 Correct 369 ms 8460 KB Output is correct
22 Correct 403 ms 8460 KB Output is correct
23 Correct 348 ms 8460 KB Output is correct
24 Correct 337 ms 8460 KB Output is correct
25 Correct 357 ms 8476 KB Output is correct
26 Correct 357 ms 8476 KB Output is correct
27 Correct 375 ms 8476 KB Output is correct
28 Correct 309 ms 11636 KB Output is correct
29 Correct 270 ms 11636 KB Output is correct
30 Correct 347 ms 11636 KB Output is correct
31 Correct 384 ms 11636 KB Output is correct
32 Correct 463 ms 11636 KB Output is correct
33 Correct 306 ms 11636 KB Output is correct
34 Correct 445 ms 11636 KB Output is correct
35 Correct 448 ms 11636 KB Output is correct
36 Correct 212 ms 11636 KB Output is correct
37 Correct 318 ms 11636 KB Output is correct
38 Correct 255 ms 11636 KB Output is correct
39 Correct 307 ms 11636 KB Output is correct
40 Correct 301 ms 11636 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 368 KB Output is correct
2 Correct 3 ms 368 KB Output is correct
3 Correct 2 ms 456 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 3 ms 480 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 3 ms 648 KB Output is correct
8 Correct 3 ms 648 KB Output is correct
9 Correct 3 ms 648 KB Output is correct
10 Correct 3 ms 648 KB Output is correct
11 Correct 133 ms 16496 KB Output is correct
12 Correct 125 ms 16500 KB Output is correct
13 Correct 116 ms 16500 KB Output is correct
14 Correct 167 ms 16500 KB Output is correct
15 Correct 178 ms 16500 KB Output is correct
16 Correct 151 ms 16500 KB Output is correct
17 Correct 135 ms 16500 KB Output is correct
18 Correct 110 ms 16628 KB Output is correct
19 Correct 108 ms 16628 KB Output is correct
20 Correct 129 ms 16628 KB Output is correct
21 Correct 172 ms 16628 KB Output is correct
22 Correct 231 ms 16628 KB Output is correct
23 Correct 131 ms 16628 KB Output is correct
24 Correct 176 ms 16628 KB Output is correct
25 Correct 167 ms 16628 KB Output is correct
26 Correct 138 ms 16628 KB Output is correct
27 Correct 127 ms 16628 KB Output is correct
28 Correct 139 ms 16628 KB Output is correct
29 Correct 119 ms 16628 KB Output is correct
30 Correct 133 ms 16628 KB Output is correct
31 Correct 126 ms 16628 KB Output is correct
32 Correct 152 ms 16628 KB Output is correct
33 Correct 145 ms 16628 KB Output is correct
34 Correct 102 ms 16628 KB Output is correct
35 Correct 139 ms 16628 KB Output is correct
36 Correct 151 ms 16628 KB Output is correct
37 Correct 168 ms 16628 KB Output is correct
38 Correct 133 ms 16628 KB Output is correct
39 Correct 141 ms 16628 KB Output is correct
40 Correct 145 ms 16628 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 368 KB Output is correct
2 Correct 3 ms 368 KB Output is correct
3 Correct 2 ms 456 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 3 ms 480 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 3 ms 648 KB Output is correct
8 Correct 3 ms 648 KB Output is correct
9 Correct 3 ms 648 KB Output is correct
10 Correct 3 ms 648 KB Output is correct
11 Correct 276 ms 5916 KB Output is correct
12 Correct 266 ms 5916 KB Output is correct
13 Correct 281 ms 5916 KB Output is correct
14 Correct 284 ms 5916 KB Output is correct
15 Correct 251 ms 6220 KB Output is correct
16 Correct 285 ms 6220 KB Output is correct
17 Correct 314 ms 6220 KB Output is correct
18 Correct 270 ms 8460 KB Output is correct
19 Correct 220 ms 8460 KB Output is correct
20 Correct 352 ms 8460 KB Output is correct
21 Correct 369 ms 8460 KB Output is correct
22 Correct 403 ms 8460 KB Output is correct
23 Correct 348 ms 8460 KB Output is correct
24 Correct 337 ms 8460 KB Output is correct
25 Correct 357 ms 8476 KB Output is correct
26 Correct 357 ms 8476 KB Output is correct
27 Correct 375 ms 8476 KB Output is correct
28 Correct 309 ms 11636 KB Output is correct
29 Correct 270 ms 11636 KB Output is correct
30 Correct 347 ms 11636 KB Output is correct
31 Correct 384 ms 11636 KB Output is correct
32 Correct 463 ms 11636 KB Output is correct
33 Correct 306 ms 11636 KB Output is correct
34 Correct 445 ms 11636 KB Output is correct
35 Correct 448 ms 11636 KB Output is correct
36 Correct 212 ms 11636 KB Output is correct
37 Correct 318 ms 11636 KB Output is correct
38 Correct 255 ms 11636 KB Output is correct
39 Correct 307 ms 11636 KB Output is correct
40 Correct 301 ms 11636 KB Output is correct
41 Correct 133 ms 16496 KB Output is correct
42 Correct 125 ms 16500 KB Output is correct
43 Correct 116 ms 16500 KB Output is correct
44 Correct 167 ms 16500 KB Output is correct
45 Correct 178 ms 16500 KB Output is correct
46 Correct 151 ms 16500 KB Output is correct
47 Correct 135 ms 16500 KB Output is correct
48 Correct 110 ms 16628 KB Output is correct
49 Correct 108 ms 16628 KB Output is correct
50 Correct 129 ms 16628 KB Output is correct
51 Correct 172 ms 16628 KB Output is correct
52 Correct 231 ms 16628 KB Output is correct
53 Correct 131 ms 16628 KB Output is correct
54 Correct 176 ms 16628 KB Output is correct
55 Correct 167 ms 16628 KB Output is correct
56 Correct 138 ms 16628 KB Output is correct
57 Correct 127 ms 16628 KB Output is correct
58 Correct 139 ms 16628 KB Output is correct
59 Correct 119 ms 16628 KB Output is correct
60 Correct 133 ms 16628 KB Output is correct
61 Correct 126 ms 16628 KB Output is correct
62 Correct 152 ms 16628 KB Output is correct
63 Correct 145 ms 16628 KB Output is correct
64 Correct 102 ms 16628 KB Output is correct
65 Correct 139 ms 16628 KB Output is correct
66 Correct 151 ms 16628 KB Output is correct
67 Correct 168 ms 16628 KB Output is correct
68 Correct 133 ms 16628 KB Output is correct
69 Correct 141 ms 16628 KB Output is correct
70 Correct 145 ms 16628 KB Output is correct
71 Correct 701 ms 21216 KB Output is correct
72 Correct 655 ms 22516 KB Output is correct
73 Correct 753 ms 22516 KB Output is correct
74 Correct 1866 ms 22516 KB Output is correct
75 Correct 823 ms 23428 KB Output is correct
76 Correct 1619 ms 23428 KB Output is correct
77 Correct 1428 ms 23428 KB Output is correct
78 Correct 515 ms 25248 KB Output is correct
79 Correct 495 ms 25248 KB Output is correct
80 Correct 672 ms 25248 KB Output is correct
81 Correct 939 ms 25248 KB Output is correct
82 Correct 1305 ms 25248 KB Output is correct
83 Correct 665 ms 25248 KB Output is correct
84 Correct 1088 ms 25248 KB Output is correct
85 Correct 1186 ms 25248 KB Output is correct
86 Correct 412 ms 25248 KB Output is correct
87 Correct 720 ms 25248 KB Output is correct
88 Correct 526 ms 25248 KB Output is correct
89 Correct 724 ms 25248 KB Output is correct
90 Correct 665 ms 25248 KB Output is correct
91 Correct 672 ms 25248 KB Output is correct
92 Correct 1384 ms 25248 KB Output is correct
93 Correct 1199 ms 25248 KB Output is correct
94 Correct 369 ms 44344 KB Output is correct
95 Correct 952 ms 46368 KB Output is correct
96 Runtime error 1012 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.
97 Halted 0 ms 0 KB -