답안 #68761

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
68761 2018-08-18T10:42:37 Z tmwilliamlin168 Snake Escaping (JOI18_snake_escaping) C++14
75 / 100
1406 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 4 ms 496 KB Output is correct
3 Correct 3 ms 496 KB Output is correct
4 Correct 3 ms 532 KB Output is correct
5 Correct 4 ms 740 KB Output is correct
6 Correct 3 ms 740 KB Output is correct
7 Correct 3 ms 740 KB Output is correct
8 Correct 2 ms 744 KB Output is correct
9 Correct 3 ms 744 KB Output is correct
10 Correct 3 ms 744 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 4 ms 496 KB Output is correct
3 Correct 3 ms 496 KB Output is correct
4 Correct 3 ms 532 KB Output is correct
5 Correct 4 ms 740 KB Output is correct
6 Correct 3 ms 740 KB Output is correct
7 Correct 3 ms 740 KB Output is correct
8 Correct 2 ms 744 KB Output is correct
9 Correct 3 ms 744 KB Output is correct
10 Correct 3 ms 744 KB Output is correct
11 Correct 251 ms 7100 KB Output is correct
12 Correct 262 ms 7252 KB Output is correct
13 Correct 299 ms 7252 KB Output is correct
14 Correct 271 ms 7252 KB Output is correct
15 Correct 273 ms 8068 KB Output is correct
16 Correct 284 ms 8068 KB Output is correct
17 Correct 306 ms 8068 KB Output is correct
18 Correct 228 ms 9680 KB Output is correct
19 Correct 217 ms 9680 KB Output is correct
20 Correct 301 ms 9680 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 4 ms 496 KB Output is correct
3 Correct 3 ms 496 KB Output is correct
4 Correct 3 ms 532 KB Output is correct
5 Correct 4 ms 740 KB Output is correct
6 Correct 3 ms 740 KB Output is correct
7 Correct 3 ms 740 KB Output is correct
8 Correct 2 ms 744 KB Output is correct
9 Correct 3 ms 744 KB Output is correct
10 Correct 3 ms 744 KB Output is correct
11 Correct 251 ms 7100 KB Output is correct
12 Correct 262 ms 7252 KB Output is correct
13 Correct 299 ms 7252 KB Output is correct
14 Correct 271 ms 7252 KB Output is correct
15 Correct 273 ms 8068 KB Output is correct
16 Correct 284 ms 8068 KB Output is correct
17 Correct 306 ms 8068 KB Output is correct
18 Correct 228 ms 9680 KB Output is correct
19 Correct 217 ms 9680 KB Output is correct
20 Correct 301 ms 9680 KB Output is correct
21 Correct 315 ms 9680 KB Output is correct
22 Correct 318 ms 9680 KB Output is correct
23 Correct 336 ms 9680 KB Output is correct
24 Correct 314 ms 9680 KB Output is correct
25 Correct 319 ms 9680 KB Output is correct
26 Correct 386 ms 9680 KB Output is correct
27 Correct 396 ms 9680 KB Output is correct
28 Correct 258 ms 10812 KB Output is correct
29 Correct 240 ms 10812 KB Output is correct
30 Correct 336 ms 10812 KB Output is correct
31 Correct 371 ms 10812 KB Output is correct
32 Correct 478 ms 10812 KB Output is correct
33 Correct 290 ms 10812 KB Output is correct
34 Correct 341 ms 10812 KB Output is correct
35 Correct 335 ms 10812 KB Output is correct
36 Correct 205 ms 10812 KB Output is correct
37 Correct 306 ms 10812 KB Output is correct
38 Correct 329 ms 10812 KB Output is correct
39 Correct 358 ms 10812 KB Output is correct
40 Correct 344 ms 10812 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 4 ms 496 KB Output is correct
3 Correct 3 ms 496 KB Output is correct
4 Correct 3 ms 532 KB Output is correct
5 Correct 4 ms 740 KB Output is correct
6 Correct 3 ms 740 KB Output is correct
7 Correct 3 ms 740 KB Output is correct
8 Correct 2 ms 744 KB Output is correct
9 Correct 3 ms 744 KB Output is correct
10 Correct 3 ms 744 KB Output is correct
11 Correct 160 ms 14164 KB Output is correct
12 Correct 129 ms 14288 KB Output is correct
13 Correct 115 ms 14288 KB Output is correct
14 Correct 148 ms 14288 KB Output is correct
15 Correct 119 ms 14288 KB Output is correct
16 Correct 180 ms 14292 KB Output is correct
17 Correct 168 ms 14292 KB Output is correct
18 Correct 122 ms 14420 KB Output is correct
19 Correct 121 ms 14420 KB Output is correct
20 Correct 161 ms 14420 KB Output is correct
21 Correct 154 ms 14420 KB Output is correct
22 Correct 214 ms 14420 KB Output is correct
23 Correct 111 ms 14420 KB Output is correct
24 Correct 202 ms 14420 KB Output is correct
25 Correct 142 ms 14420 KB Output is correct
26 Correct 108 ms 14420 KB Output is correct
27 Correct 153 ms 14420 KB Output is correct
28 Correct 109 ms 14420 KB Output is correct
29 Correct 149 ms 14420 KB Output is correct
30 Correct 120 ms 14420 KB Output is correct
31 Correct 125 ms 14420 KB Output is correct
32 Correct 174 ms 14420 KB Output is correct
33 Correct 160 ms 14420 KB Output is correct
34 Correct 109 ms 14420 KB Output is correct
35 Correct 147 ms 14420 KB Output is correct
36 Correct 148 ms 14420 KB Output is correct
37 Correct 124 ms 14420 KB Output is correct
38 Correct 128 ms 14420 KB Output is correct
39 Correct 133 ms 14420 KB Output is correct
40 Correct 142 ms 14420 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 4 ms 496 KB Output is correct
3 Correct 3 ms 496 KB Output is correct
4 Correct 3 ms 532 KB Output is correct
5 Correct 4 ms 740 KB Output is correct
6 Correct 3 ms 740 KB Output is correct
7 Correct 3 ms 740 KB Output is correct
8 Correct 2 ms 744 KB Output is correct
9 Correct 3 ms 744 KB Output is correct
10 Correct 3 ms 744 KB Output is correct
11 Correct 251 ms 7100 KB Output is correct
12 Correct 262 ms 7252 KB Output is correct
13 Correct 299 ms 7252 KB Output is correct
14 Correct 271 ms 7252 KB Output is correct
15 Correct 273 ms 8068 KB Output is correct
16 Correct 284 ms 8068 KB Output is correct
17 Correct 306 ms 8068 KB Output is correct
18 Correct 228 ms 9680 KB Output is correct
19 Correct 217 ms 9680 KB Output is correct
20 Correct 301 ms 9680 KB Output is correct
21 Correct 315 ms 9680 KB Output is correct
22 Correct 318 ms 9680 KB Output is correct
23 Correct 336 ms 9680 KB Output is correct
24 Correct 314 ms 9680 KB Output is correct
25 Correct 319 ms 9680 KB Output is correct
26 Correct 386 ms 9680 KB Output is correct
27 Correct 396 ms 9680 KB Output is correct
28 Correct 258 ms 10812 KB Output is correct
29 Correct 240 ms 10812 KB Output is correct
30 Correct 336 ms 10812 KB Output is correct
31 Correct 371 ms 10812 KB Output is correct
32 Correct 478 ms 10812 KB Output is correct
33 Correct 290 ms 10812 KB Output is correct
34 Correct 341 ms 10812 KB Output is correct
35 Correct 335 ms 10812 KB Output is correct
36 Correct 205 ms 10812 KB Output is correct
37 Correct 306 ms 10812 KB Output is correct
38 Correct 329 ms 10812 KB Output is correct
39 Correct 358 ms 10812 KB Output is correct
40 Correct 344 ms 10812 KB Output is correct
41 Correct 160 ms 14164 KB Output is correct
42 Correct 129 ms 14288 KB Output is correct
43 Correct 115 ms 14288 KB Output is correct
44 Correct 148 ms 14288 KB Output is correct
45 Correct 119 ms 14288 KB Output is correct
46 Correct 180 ms 14292 KB Output is correct
47 Correct 168 ms 14292 KB Output is correct
48 Correct 122 ms 14420 KB Output is correct
49 Correct 121 ms 14420 KB Output is correct
50 Correct 161 ms 14420 KB Output is correct
51 Correct 154 ms 14420 KB Output is correct
52 Correct 214 ms 14420 KB Output is correct
53 Correct 111 ms 14420 KB Output is correct
54 Correct 202 ms 14420 KB Output is correct
55 Correct 142 ms 14420 KB Output is correct
56 Correct 108 ms 14420 KB Output is correct
57 Correct 153 ms 14420 KB Output is correct
58 Correct 109 ms 14420 KB Output is correct
59 Correct 149 ms 14420 KB Output is correct
60 Correct 120 ms 14420 KB Output is correct
61 Correct 125 ms 14420 KB Output is correct
62 Correct 174 ms 14420 KB Output is correct
63 Correct 160 ms 14420 KB Output is correct
64 Correct 109 ms 14420 KB Output is correct
65 Correct 147 ms 14420 KB Output is correct
66 Correct 148 ms 14420 KB Output is correct
67 Correct 124 ms 14420 KB Output is correct
68 Correct 128 ms 14420 KB Output is correct
69 Correct 133 ms 14420 KB Output is correct
70 Correct 142 ms 14420 KB Output is correct
71 Correct 617 ms 18896 KB Output is correct
72 Correct 678 ms 19092 KB Output is correct
73 Correct 895 ms 19092 KB Output is correct
74 Correct 1390 ms 19092 KB Output is correct
75 Correct 753 ms 19792 KB Output is correct
76 Correct 1406 ms 19792 KB Output is correct
77 Correct 1109 ms 19792 KB Output is correct
78 Correct 498 ms 21840 KB Output is correct
79 Correct 581 ms 21840 KB Output is correct
80 Correct 636 ms 21840 KB Output is correct
81 Correct 1097 ms 21840 KB Output is correct
82 Correct 1249 ms 21840 KB Output is correct
83 Correct 578 ms 21840 KB Output is correct
84 Correct 917 ms 21840 KB Output is correct
85 Correct 1322 ms 39888 KB Output is correct
86 Correct 358 ms 59212 KB Output is correct
87 Runtime error 740 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.
88 Halted 0 ms 0 KB -