oj.uz

Submission #68745

# Submission time Handle Problem Language Result Execution time Memory
68745 2018-08-18T10:20:12 Z tmwilliamlin168 Snake Escaping (JOI18_snake_escaping) C++14
75 / 100
 1671 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 504 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 4 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 4 ms 504 KB Output is correct
6 Correct 3 ms 536 KB Output is correct
7 Correct 3 ms 620 KB Output is correct
8 Correct 3 ms 620 KB Output is correct
9 Correct 4 ms 620 KB Output is correct
10 Correct 3 ms 620 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 4 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 4 ms 504 KB Output is correct
6 Correct 3 ms 536 KB Output is correct
7 Correct 3 ms 620 KB Output is correct
8 Correct 3 ms 620 KB Output is correct
9 Correct 4 ms 620 KB Output is correct
10 Correct 3 ms 620 KB Output is correct
11 Correct 277 ms 5980 KB Output is correct
12 Correct 246 ms 5980 KB Output is correct
13 Correct 285 ms 5980 KB Output is correct
14 Correct 281 ms 5980 KB Output is correct
15 Correct 331 ms 7088 KB Output is correct
16 Correct 321 ms 7088 KB Output is correct
17 Correct 437 ms 8052 KB Output is correct
18 Correct 247 ms 9736 KB Output is correct
19 Correct 253 ms 9736 KB Output is correct
20 Correct 274 ms 9736 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 4 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 4 ms 504 KB Output is correct
6 Correct 3 ms 536 KB Output is correct
7 Correct 3 ms 620 KB Output is correct
8 Correct 3 ms 620 KB Output is correct
9 Correct 4 ms 620 KB Output is correct
10 Correct 3 ms 620 KB Output is correct
11 Correct 277 ms 5980 KB Output is correct
12 Correct 246 ms 5980 KB Output is correct
13 Correct 285 ms 5980 KB Output is correct
14 Correct 281 ms 5980 KB Output is correct
15 Correct 331 ms 7088 KB Output is correct
16 Correct 321 ms 7088 KB Output is correct
17 Correct 437 ms 8052 KB Output is correct
18 Correct 247 ms 9736 KB Output is correct
19 Correct 253 ms 9736 KB Output is correct
20 Correct 274 ms 9736 KB Output is correct
21 Correct 324 ms 9736 KB Output is correct
22 Correct 328 ms 9736 KB Output is correct
23 Correct 375 ms 9736 KB Output is correct
24 Correct 385 ms 9736 KB Output is correct
25 Correct 353 ms 10056 KB Output is correct
26 Correct 357 ms 10056 KB Output is correct
27 Correct 398 ms 10056 KB Output is correct
28 Correct 240 ms 11964 KB Output is correct
29 Correct 277 ms 11964 KB Output is correct
30 Correct 308 ms 11964 KB Output is correct
31 Correct 382 ms 11964 KB Output is correct
32 Correct 424 ms 11964 KB Output is correct
33 Correct 345 ms 11964 KB Output is correct
34 Correct 373 ms 11964 KB Output is correct
35 Correct 327 ms 11964 KB Output is correct
36 Correct 207 ms 11964 KB Output is correct
37 Correct 293 ms 11964 KB Output is correct
38 Correct 279 ms 11964 KB Output is correct
39 Correct 341 ms 11964 KB Output is correct
40 Correct 324 ms 11964 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 4 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 4 ms 504 KB Output is correct
6 Correct 3 ms 536 KB Output is correct
7 Correct 3 ms 620 KB Output is correct
8 Correct 3 ms 620 KB Output is correct
9 Correct 4 ms 620 KB Output is correct
10 Correct 3 ms 620 KB Output is correct
11 Correct 171 ms 16512 KB Output is correct
12 Correct 123 ms 16516 KB Output is correct
13 Correct 126 ms 16540 KB Output is correct
14 Correct 160 ms 16540 KB Output is correct
15 Correct 105 ms 16640 KB Output is correct
16 Correct 143 ms 16640 KB Output is correct
17 Correct 138 ms 16768 KB Output is correct
18 Correct 124 ms 16800 KB Output is correct
19 Correct 106 ms 16800 KB Output is correct
20 Correct 107 ms 16800 KB Output is correct
21 Correct 138 ms 16800 KB Output is correct
22 Correct 148 ms 16800 KB Output is correct
23 Correct 102 ms 16800 KB Output is correct
24 Correct 116 ms 16800 KB Output is correct
25 Correct 135 ms 16800 KB Output is correct
26 Correct 125 ms 16800 KB Output is correct
27 Correct 107 ms 16916 KB Output is correct
28 Correct 108 ms 16916 KB Output is correct
29 Correct 190 ms 16936 KB Output is correct
30 Correct 137 ms 16936 KB Output is correct
31 Correct 122 ms 17028 KB Output is correct
32 Correct 166 ms 17028 KB Output is correct
33 Correct 130 ms 17028 KB Output is correct
34 Correct 107 ms 17028 KB Output is correct
35 Correct 159 ms 17028 KB Output is correct
36 Correct 125 ms 17028 KB Output is correct
37 Correct 126 ms 17028 KB Output is correct
38 Correct 138 ms 17028 KB Output is correct
39 Correct 127 ms 17028 KB Output is correct
40 Correct 123 ms 17028 KB Output is correct

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 4 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 4 ms 504 KB Output is correct
6 Correct 3 ms 536 KB Output is correct
7 Correct 3 ms 620 KB Output is correct
8 Correct 3 ms 620 KB Output is correct
9 Correct 4 ms 620 KB Output is correct
10 Correct 3 ms 620 KB Output is correct
11 Correct 277 ms 5980 KB Output is correct
12 Correct 246 ms 5980 KB Output is correct
13 Correct 285 ms 5980 KB Output is correct
14 Correct 281 ms 5980 KB Output is correct
15 Correct 331 ms 7088 KB Output is correct
16 Correct 321 ms 7088 KB Output is correct
17 Correct 437 ms 8052 KB Output is correct
18 Correct 247 ms 9736 KB Output is correct
19 Correct 253 ms 9736 KB Output is correct
20 Correct 274 ms 9736 KB Output is correct
21 Correct 324 ms 9736 KB Output is correct
22 Correct 328 ms 9736 KB Output is correct
23 Correct 375 ms 9736 KB Output is correct
24 Correct 385 ms 9736 KB Output is correct
25 Correct 353 ms 10056 KB Output is correct
26 Correct 357 ms 10056 KB Output is correct
27 Correct 398 ms 10056 KB Output is correct
28 Correct 240 ms 11964 KB Output is correct
29 Correct 277 ms 11964 KB Output is correct
30 Correct 308 ms 11964 KB Output is correct
31 Correct 382 ms 11964 KB Output is correct
32 Correct 424 ms 11964 KB Output is correct
33 Correct 345 ms 11964 KB Output is correct
34 Correct 373 ms 11964 KB Output is correct
35 Correct 327 ms 11964 KB Output is correct
36 Correct 207 ms 11964 KB Output is correct
37 Correct 293 ms 11964 KB Output is correct
38 Correct 279 ms 11964 KB Output is correct
39 Correct 341 ms 11964 KB Output is correct
40 Correct 324 ms 11964 KB Output is correct
41 Correct 171 ms 16512 KB Output is correct
42 Correct 123 ms 16516 KB Output is correct
43 Correct 126 ms 16540 KB Output is correct
44 Correct 160 ms 16540 KB Output is correct
45 Correct 105 ms 16640 KB Output is correct
46 Correct 143 ms 16640 KB Output is correct
47 Correct 138 ms 16768 KB Output is correct
48 Correct 124 ms 16800 KB Output is correct
49 Correct 106 ms 16800 KB Output is correct
50 Correct 107 ms 16800 KB Output is correct
51 Correct 138 ms 16800 KB Output is correct
52 Correct 148 ms 16800 KB Output is correct
53 Correct 102 ms 16800 KB Output is correct
54 Correct 116 ms 16800 KB Output is correct
55 Correct 135 ms 16800 KB Output is correct
56 Correct 125 ms 16800 KB Output is correct
57 Correct 107 ms 16916 KB Output is correct
58 Correct 108 ms 16916 KB Output is correct
59 Correct 190 ms 16936 KB Output is correct
60 Correct 137 ms 16936 KB Output is correct
61 Correct 122 ms 17028 KB Output is correct
62 Correct 166 ms 17028 KB Output is correct
63 Correct 130 ms 17028 KB Output is correct
64 Correct 107 ms 17028 KB Output is correct
65 Correct 159 ms 17028 KB Output is correct
66 Correct 125 ms 17028 KB Output is correct
67 Correct 126 ms 17028 KB Output is correct
68 Correct 138 ms 17028 KB Output is correct
69 Correct 127 ms 17028 KB Output is correct
70 Correct 123 ms 17028 KB Output is correct
71 Correct 637 ms 21656 KB Output is correct
72 Correct 622 ms 36220 KB Output is correct
73 Correct 750 ms 36220 KB Output is correct
74 Correct 1671 ms 36220 KB Output is correct
75 Correct 621 ms 37056 KB Output is correct
76 Correct 1614 ms 56988 KB Output is correct
77 Runtime error 1292 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.
78 Halted 0 ms 0 KB -