oj.uz

Submission #68748

# Submission time Handle Problem Language Result Execution time Memory
68748 2018-08-18T10:22:13 Z tmwilliamlin168 Snake Escaping (JOI18_snake_escaping) C++14
75 / 100
 1224 ms 66560 KB 
#include <bits/stdc++.h>
using namespace std;

const int mxL=20, mxQ=1e6;
int l, q, dp[2][1<<mxL];
string s;

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> l >> q >> s;
	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--) {
		string t;
		cin >> t;
		int na=0, nb=0, nc=0, ma=0, mb=0, mc=0, ans=0;
		for(int i=0; i<l; ++i) {
			if(t[i]=='0') {
				++na;
				ma|=1<<(l-1-i);
			} else if(t[i]=='1') {
				++nb;
				mb|=1<<(l-1-i);
			} else {
				++nc;
				mc|=1<<(l-1-i);
			}
		}
		if(na<nc||nb<nc) {
			bool sw=0;
			if(nb>na) {
				swap(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;
			}
		}
		cout << ans << "\n";
	}
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:18:12: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
     if(i>>k&1^j)
        ~~~~^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 464 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 3 ms 544 KB Output is correct
6 Correct 3 ms 620 KB Output is correct
7 Correct 4 ms 712 KB Output is correct
8 Correct 3 ms 712 KB Output is correct
9 Correct 2 ms 712 KB Output is correct
10 Correct 3 ms 712 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 464 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 3 ms 544 KB Output is correct
6 Correct 3 ms 620 KB Output is correct
7 Correct 4 ms 712 KB Output is correct
8 Correct 3 ms 712 KB Output is correct
9 Correct 2 ms 712 KB Output is correct
10 Correct 3 ms 712 KB Output is correct
11 Correct 251 ms 5216 KB Output is correct
12 Correct 340 ms 5216 KB Output is correct
13 Correct 326 ms 5216 KB Output is correct
14 Correct 388 ms 5216 KB Output is correct
15 Correct 346 ms 5612 KB Output is correct
16 Correct 292 ms 5612 KB Output is correct
17 Correct 286 ms 5620 KB Output is correct
18 Correct 194 ms 7452 KB Output is correct
19 Correct 239 ms 7452 KB Output is correct
20 Correct 248 ms 7452 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 464 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 3 ms 544 KB Output is correct
6 Correct 3 ms 620 KB Output is correct
7 Correct 4 ms 712 KB Output is correct
8 Correct 3 ms 712 KB Output is correct
9 Correct 2 ms 712 KB Output is correct
10 Correct 3 ms 712 KB Output is correct
11 Correct 251 ms 5216 KB Output is correct
12 Correct 340 ms 5216 KB Output is correct
13 Correct 326 ms 5216 KB Output is correct
14 Correct 388 ms 5216 KB Output is correct
15 Correct 346 ms 5612 KB Output is correct
16 Correct 292 ms 5612 KB Output is correct
17 Correct 286 ms 5620 KB Output is correct
18 Correct 194 ms 7452 KB Output is correct
19 Correct 239 ms 7452 KB Output is correct
20 Correct 248 ms 7452 KB Output is correct
21 Correct 328 ms 7452 KB Output is correct
22 Correct 319 ms 7452 KB Output is correct
23 Correct 377 ms 7452 KB Output is correct
24 Correct 308 ms 7452 KB Output is correct
25 Correct 286 ms 7892 KB Output is correct
26 Correct 372 ms 7892 KB Output is correct
27 Correct 339 ms 7892 KB Output is correct
28 Correct 207 ms 9048 KB Output is correct
29 Correct 297 ms 9048 KB Output is correct
30 Correct 305 ms 9048 KB Output is correct
31 Correct 312 ms 9048 KB Output is correct
32 Correct 420 ms 9048 KB Output is correct
33 Correct 326 ms 9048 KB Output is correct
34 Correct 375 ms 9048 KB Output is correct
35 Correct 340 ms 9048 KB Output is correct
36 Correct 232 ms 9048 KB Output is correct
37 Correct 261 ms 9048 KB Output is correct
38 Correct 254 ms 9048 KB Output is correct
39 Correct 326 ms 9048 KB Output is correct
40 Correct 334 ms 9048 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 464 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 3 ms 544 KB Output is correct
6 Correct 3 ms 620 KB Output is correct
7 Correct 4 ms 712 KB Output is correct
8 Correct 3 ms 712 KB Output is correct
9 Correct 2 ms 712 KB Output is correct
10 Correct 3 ms 712 KB Output is correct
11 Correct 122 ms 13108 KB Output is correct
12 Correct 128 ms 13108 KB Output is correct
13 Correct 132 ms 13108 KB Output is correct
14 Correct 194 ms 13108 KB Output is correct
15 Correct 170 ms 13108 KB Output is correct
16 Correct 162 ms 13108 KB Output is correct
17 Correct 124 ms 13108 KB Output is correct
18 Correct 101 ms 13148 KB Output is correct
19 Correct 120 ms 13148 KB Output is correct
20 Correct 122 ms 13148 KB Output is correct
21 Correct 130 ms 13192 KB Output is correct
22 Correct 133 ms 13192 KB Output is correct
23 Correct 111 ms 13192 KB Output is correct
24 Correct 137 ms 13192 KB Output is correct
25 Correct 153 ms 13192 KB Output is correct
26 Correct 99 ms 13244 KB Output is correct
27 Correct 107 ms 13284 KB Output is correct
28 Correct 139 ms 13292 KB Output is correct
29 Correct 129 ms 13312 KB Output is correct
30 Correct 122 ms 13412 KB Output is correct
31 Correct 119 ms 13412 KB Output is correct
32 Correct 131 ms 13412 KB Output is correct
33 Correct 165 ms 13412 KB Output is correct
34 Correct 94 ms 13412 KB Output is correct
35 Correct 127 ms 13464 KB Output is correct
36 Correct 179 ms 13464 KB Output is correct
37 Correct 147 ms 13464 KB Output is correct
38 Correct 122 ms 13464 KB Output is correct
39 Correct 149 ms 13464 KB Output is correct
40 Correct 152 ms 13464 KB Output is correct

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 464 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 3 ms 544 KB Output is correct
6 Correct 3 ms 620 KB Output is correct
7 Correct 4 ms 712 KB Output is correct
8 Correct 3 ms 712 KB Output is correct
9 Correct 2 ms 712 KB Output is correct
10 Correct 3 ms 712 KB Output is correct
11 Correct 251 ms 5216 KB Output is correct
12 Correct 340 ms 5216 KB Output is correct
13 Correct 326 ms 5216 KB Output is correct
14 Correct 388 ms 5216 KB Output is correct
15 Correct 346 ms 5612 KB Output is correct
16 Correct 292 ms 5612 KB Output is correct
17 Correct 286 ms 5620 KB Output is correct
18 Correct 194 ms 7452 KB Output is correct
19 Correct 239 ms 7452 KB Output is correct
20 Correct 248 ms 7452 KB Output is correct
21 Correct 328 ms 7452 KB Output is correct
22 Correct 319 ms 7452 KB Output is correct
23 Correct 377 ms 7452 KB Output is correct
24 Correct 308 ms 7452 KB Output is correct
25 Correct 286 ms 7892 KB Output is correct
26 Correct 372 ms 7892 KB Output is correct
27 Correct 339 ms 7892 KB Output is correct
28 Correct 207 ms 9048 KB Output is correct
29 Correct 297 ms 9048 KB Output is correct
30 Correct 305 ms 9048 KB Output is correct
31 Correct 312 ms 9048 KB Output is correct
32 Correct 420 ms 9048 KB Output is correct
33 Correct 326 ms 9048 KB Output is correct
34 Correct 375 ms 9048 KB Output is correct
35 Correct 340 ms 9048 KB Output is correct
36 Correct 232 ms 9048 KB Output is correct
37 Correct 261 ms 9048 KB Output is correct
38 Correct 254 ms 9048 KB Output is correct
39 Correct 326 ms 9048 KB Output is correct
40 Correct 334 ms 9048 KB Output is correct
41 Correct 122 ms 13108 KB Output is correct
42 Correct 128 ms 13108 KB Output is correct
43 Correct 132 ms 13108 KB Output is correct
44 Correct 194 ms 13108 KB Output is correct
45 Correct 170 ms 13108 KB Output is correct
46 Correct 162 ms 13108 KB Output is correct
47 Correct 124 ms 13108 KB Output is correct
48 Correct 101 ms 13148 KB Output is correct
49 Correct 120 ms 13148 KB Output is correct
50 Correct 122 ms 13148 KB Output is correct
51 Correct 130 ms 13192 KB Output is correct
52 Correct 133 ms 13192 KB Output is correct
53 Correct 111 ms 13192 KB Output is correct
54 Correct 137 ms 13192 KB Output is correct
55 Correct 153 ms 13192 KB Output is correct
56 Correct 99 ms 13244 KB Output is correct
57 Correct 107 ms 13284 KB Output is correct
58 Correct 139 ms 13292 KB Output is correct
59 Correct 129 ms 13312 KB Output is correct
60 Correct 122 ms 13412 KB Output is correct
61 Correct 119 ms 13412 KB Output is correct
62 Correct 131 ms 13412 KB Output is correct
63 Correct 165 ms 13412 KB Output is correct
64 Correct 94 ms 13412 KB Output is correct
65 Correct 127 ms 13464 KB Output is correct
66 Correct 179 ms 13464 KB Output is correct
67 Correct 147 ms 13464 KB Output is correct
68 Correct 122 ms 13464 KB Output is correct
69 Correct 149 ms 13464 KB Output is correct
70 Correct 152 ms 13464 KB Output is correct
71 Correct 717 ms 18148 KB Output is correct
72 Correct 562 ms 18748 KB Output is correct
73 Correct 627 ms 18748 KB Output is correct
74 Correct 988 ms 18748 KB Output is correct
75 Correct 609 ms 19804 KB Output is correct
76 Correct 1224 ms 19804 KB Output is correct
77 Correct 1026 ms 19804 KB Output is correct
78 Correct 508 ms 43088 KB Output is correct
79 Correct 588 ms 43088 KB Output is correct
80 Correct 609 ms 62124 KB Output is correct
81 Runtime error 978 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.
82 Halted 0 ms 0 KB -