Submission #68776

# Submission time Handle Problem Language Result Execution time Memory
68776 2018-08-18T10:59:02 Z tmwilliamlin168 Snake Escaping (JOI18_snake_escaping) C++14
100 / 100
1521 ms 17692 KB
#include <bits/stdc++.h>
using namespace std;

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:58:12: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
     if(i>>k&1^j)
        ~~~~^~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 564 KB Output is correct
4 Correct 2 ms 564 KB Output is correct
5 Correct 2 ms 564 KB Output is correct
6 Correct 3 ms 564 KB Output is correct
7 Correct 3 ms 572 KB Output is correct
8 Correct 2 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 564 KB Output is correct
4 Correct 2 ms 564 KB Output is correct
5 Correct 2 ms 564 KB Output is correct
6 Correct 3 ms 564 KB Output is correct
7 Correct 3 ms 572 KB Output is correct
8 Correct 2 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
11 Correct 143 ms 4436 KB Output is correct
12 Correct 151 ms 4436 KB Output is correct
13 Correct 176 ms 4436 KB Output is correct
14 Correct 155 ms 4436 KB Output is correct
15 Correct 146 ms 4520 KB Output is correct
16 Correct 174 ms 4520 KB Output is correct
17 Correct 204 ms 4520 KB Output is correct
18 Correct 93 ms 5524 KB Output is correct
19 Correct 127 ms 5524 KB Output is correct
20 Correct 155 ms 5524 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 564 KB Output is correct
4 Correct 2 ms 564 KB Output is correct
5 Correct 2 ms 564 KB Output is correct
6 Correct 3 ms 564 KB Output is correct
7 Correct 3 ms 572 KB Output is correct
8 Correct 2 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
11 Correct 143 ms 4436 KB Output is correct
12 Correct 151 ms 4436 KB Output is correct
13 Correct 176 ms 4436 KB Output is correct
14 Correct 155 ms 4436 KB Output is correct
15 Correct 146 ms 4520 KB Output is correct
16 Correct 174 ms 4520 KB Output is correct
17 Correct 204 ms 4520 KB Output is correct
18 Correct 93 ms 5524 KB Output is correct
19 Correct 127 ms 5524 KB Output is correct
20 Correct 155 ms 5524 KB Output is correct
21 Correct 178 ms 5524 KB Output is correct
22 Correct 192 ms 5524 KB Output is correct
23 Correct 227 ms 5524 KB Output is correct
24 Correct 215 ms 5524 KB Output is correct
25 Correct 223 ms 5524 KB Output is correct
26 Correct 243 ms 5524 KB Output is correct
27 Correct 241 ms 5524 KB Output is correct
28 Correct 116 ms 6548 KB Output is correct
29 Correct 153 ms 6548 KB Output is correct
30 Correct 205 ms 6548 KB Output is correct
31 Correct 221 ms 6548 KB Output is correct
32 Correct 284 ms 6548 KB Output is correct
33 Correct 176 ms 6548 KB Output is correct
34 Correct 269 ms 6548 KB Output is correct
35 Correct 240 ms 6548 KB Output is correct
36 Correct 86 ms 6548 KB Output is correct
37 Correct 180 ms 6548 KB Output is correct
38 Correct 175 ms 6548 KB Output is correct
39 Correct 216 ms 6548 KB Output is correct
40 Correct 207 ms 6548 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 564 KB Output is correct
4 Correct 2 ms 564 KB Output is correct
5 Correct 2 ms 564 KB Output is correct
6 Correct 3 ms 564 KB Output is correct
7 Correct 3 ms 572 KB Output is correct
8 Correct 2 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
11 Correct 112 ms 10028 KB Output is correct
12 Correct 114 ms 10156 KB Output is correct
13 Correct 112 ms 10156 KB Output is correct
14 Correct 177 ms 10228 KB Output is correct
15 Correct 123 ms 10228 KB Output is correct
16 Correct 177 ms 10228 KB Output is correct
17 Correct 144 ms 10228 KB Output is correct
18 Correct 97 ms 10288 KB Output is correct
19 Correct 96 ms 10288 KB Output is correct
20 Correct 101 ms 10288 KB Output is correct
21 Correct 136 ms 10288 KB Output is correct
22 Correct 201 ms 10288 KB Output is correct
23 Correct 102 ms 10288 KB Output is correct
24 Correct 203 ms 10288 KB Output is correct
25 Correct 157 ms 10288 KB Output is correct
26 Correct 128 ms 10288 KB Output is correct
27 Correct 110 ms 10288 KB Output is correct
28 Correct 114 ms 10288 KB Output is correct
29 Correct 120 ms 10288 KB Output is correct
30 Correct 110 ms 10288 KB Output is correct
31 Correct 106 ms 10288 KB Output is correct
32 Correct 139 ms 10288 KB Output is correct
33 Correct 135 ms 10288 KB Output is correct
34 Correct 91 ms 10288 KB Output is correct
35 Correct 120 ms 10288 KB Output is correct
36 Correct 131 ms 10288 KB Output is correct
37 Correct 147 ms 10288 KB Output is correct
38 Correct 128 ms 10288 KB Output is correct
39 Correct 152 ms 10288 KB Output is correct
40 Correct 124 ms 10288 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 564 KB Output is correct
4 Correct 2 ms 564 KB Output is correct
5 Correct 2 ms 564 KB Output is correct
6 Correct 3 ms 564 KB Output is correct
7 Correct 3 ms 572 KB Output is correct
8 Correct 2 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
11 Correct 143 ms 4436 KB Output is correct
12 Correct 151 ms 4436 KB Output is correct
13 Correct 176 ms 4436 KB Output is correct
14 Correct 155 ms 4436 KB Output is correct
15 Correct 146 ms 4520 KB Output is correct
16 Correct 174 ms 4520 KB Output is correct
17 Correct 204 ms 4520 KB Output is correct
18 Correct 93 ms 5524 KB Output is correct
19 Correct 127 ms 5524 KB Output is correct
20 Correct 155 ms 5524 KB Output is correct
21 Correct 178 ms 5524 KB Output is correct
22 Correct 192 ms 5524 KB Output is correct
23 Correct 227 ms 5524 KB Output is correct
24 Correct 215 ms 5524 KB Output is correct
25 Correct 223 ms 5524 KB Output is correct
26 Correct 243 ms 5524 KB Output is correct
27 Correct 241 ms 5524 KB Output is correct
28 Correct 116 ms 6548 KB Output is correct
29 Correct 153 ms 6548 KB Output is correct
30 Correct 205 ms 6548 KB Output is correct
31 Correct 221 ms 6548 KB Output is correct
32 Correct 284 ms 6548 KB Output is correct
33 Correct 176 ms 6548 KB Output is correct
34 Correct 269 ms 6548 KB Output is correct
35 Correct 240 ms 6548 KB Output is correct
36 Correct 86 ms 6548 KB Output is correct
37 Correct 180 ms 6548 KB Output is correct
38 Correct 175 ms 6548 KB Output is correct
39 Correct 216 ms 6548 KB Output is correct
40 Correct 207 ms 6548 KB Output is correct
41 Correct 112 ms 10028 KB Output is correct
42 Correct 114 ms 10156 KB Output is correct
43 Correct 112 ms 10156 KB Output is correct
44 Correct 177 ms 10228 KB Output is correct
45 Correct 123 ms 10228 KB Output is correct
46 Correct 177 ms 10228 KB Output is correct
47 Correct 144 ms 10228 KB Output is correct
48 Correct 97 ms 10288 KB Output is correct
49 Correct 96 ms 10288 KB Output is correct
50 Correct 101 ms 10288 KB Output is correct
51 Correct 136 ms 10288 KB Output is correct
52 Correct 201 ms 10288 KB Output is correct
53 Correct 102 ms 10288 KB Output is correct
54 Correct 203 ms 10288 KB Output is correct
55 Correct 157 ms 10288 KB Output is correct
56 Correct 128 ms 10288 KB Output is correct
57 Correct 110 ms 10288 KB Output is correct
58 Correct 114 ms 10288 KB Output is correct
59 Correct 120 ms 10288 KB Output is correct
60 Correct 110 ms 10288 KB Output is correct
61 Correct 106 ms 10288 KB Output is correct
62 Correct 139 ms 10288 KB Output is correct
63 Correct 135 ms 10288 KB Output is correct
64 Correct 91 ms 10288 KB Output is correct
65 Correct 120 ms 10288 KB Output is correct
66 Correct 131 ms 10288 KB Output is correct
67 Correct 147 ms 10288 KB Output is correct
68 Correct 128 ms 10288 KB Output is correct
69 Correct 152 ms 10288 KB Output is correct
70 Correct 124 ms 10288 KB Output is correct
71 Correct 463 ms 14684 KB Output is correct
72 Correct 513 ms 14892 KB Output is correct
73 Correct 628 ms 14892 KB Output is correct
74 Correct 1123 ms 14892 KB Output is correct
75 Correct 466 ms 15788 KB Output is correct
76 Correct 1325 ms 15788 KB Output is correct
77 Correct 980 ms 15788 KB Output is correct
78 Correct 279 ms 17692 KB Output is correct
79 Correct 385 ms 17692 KB Output is correct
80 Correct 476 ms 17692 KB Output is correct
81 Correct 916 ms 17692 KB Output is correct
82 Correct 1521 ms 17692 KB Output is correct
83 Correct 395 ms 17692 KB Output is correct
84 Correct 777 ms 17692 KB Output is correct
85 Correct 1197 ms 17692 KB Output is correct
86 Correct 222 ms 17692 KB Output is correct
87 Correct 493 ms 17692 KB Output is correct
88 Correct 359 ms 17692 KB Output is correct
89 Correct 570 ms 17692 KB Output is correct
90 Correct 537 ms 17692 KB Output is correct
91 Correct 467 ms 17692 KB Output is correct
92 Correct 1200 ms 17692 KB Output is correct
93 Correct 1145 ms 17692 KB Output is correct
94 Correct 161 ms 17692 KB Output is correct
95 Correct 879 ms 17692 KB Output is correct
96 Correct 930 ms 17692 KB Output is correct
97 Correct 786 ms 17692 KB Output is correct
98 Correct 900 ms 17692 KB Output is correct
99 Correct 820 ms 17692 KB Output is correct
100 Correct 842 ms 17692 KB Output is correct