답안 #535339

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
535339	2022-03-10T03:39:51 Z	amunduzbaev	Snake Escaping (JOI18_snake_escaping)	C++17	100 / 100	1473 ms	42232 KB

snake_escaping

#include "bits/stdc++.h"
using namespace std;
 
#define ar array
 
const int N = 20;
int dp[2][1 << N];
int a[1 << N], n, m;

signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n, m; cin>>n>>m;
	for(int i=0;i<(1 << n);i++){
		char c; cin>>c;
		a[i] = c - '0';
		dp[0][i] = dp[1][i] = a[i];
	}
	
	for(int i=n-1;~i;i--){
		for(int mask=0;mask<(1 << n);mask++){
			if(mask >> i & 1) dp[1][mask] += dp[1][mask ^ (1 << i)];
		}
		
		for(int mask=(1 << n)-1;~mask;mask--){
			if(!(mask >> i & 1)) dp[0][mask] += dp[0][mask | (1 << i)];
		}
	}
	
	ar<int, 3> c {};
	int res, in, t;
	vector<int> p;
	while(m--){
		string s; cin>>s;
		reverse(s.begin(), s.end());
		c[0] = c[1] = c[2] = 0;
		for(int i=0;i<n;i++){
			if(s[i] == '0') c[0]++;
			if(s[i] == '1') c[1]++;
			if(s[i] == '?') c[2]++;
		}
		
		res = 0; p.clear();
		if(c[2] <= 6){
			in = 0;
			for(int i=0;i<n;i++){
				if(s[i] == '0' || s[i] == '1') in |= ((s[i] - '0') << i);
				else p.push_back(i);
			}
			
			for(int mask=0;mask < (1 << c[2]);mask++){
				int tot = in;
				for(int j=0;j<c[2];j++){
					if(mask >> j & 1) tot |= (1 << p[j]);
				}
				
				res += a[tot];
			}
		} 
		else if(c[0] <= 6) {
			t = 0, in = 0;
			for(int i=0;i<n;i++){
				if(s[i] == '1') in |= (1 << i);
				if(s[i] == '0') p.push_back(i);
			}
			
			for(int mask=0;mask < (1 << c[0]);mask++){
				int tot = in;
				for(int j=0;j<c[0];j++){
					if(mask >> j & 1) tot |= (1 << p[j]);
				}
				
				if(__builtin_popcount(mask)&1) res -= dp[t][tot];
				else res += dp[t][tot];
			}
		} else if(c[1] <= 6) {
			t = 1, in = (1 << n) - 1;
			for(int i=0;i<n;i++){
				if(s[i] == '0') in ^= (1 << i);
				if(s[i] == '1') p.push_back(i);
			}
			
			for(int mask=0;mask<(1 << c[1]);mask++){
				int tot = in;
				for(int j=0;j<c[1];j++){
					if(mask >> j & 1) tot ^= (1 << p[j]);
				}
				
				if(__builtin_popcount(mask)&1) res -= dp[t][tot];
				else res += dp[t][tot];
			}
		} else assert(false);
		
		cout<<res<<"\n";
	}
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	461 ms	4288 KB	Output is correct
12	Correct	452 ms	4184 KB	Output is correct
13	Correct	306 ms	3224 KB	Output is correct
14	Correct	287 ms	3288 KB	Output is correct
15	Correct	743 ms	4356 KB	Output is correct
16	Correct	395 ms	3524 KB	Output is correct
17	Correct	396 ms	3548 KB	Output is correct
18	Correct	170 ms	5328 KB	Output is correct
19	Correct	208 ms	2316 KB	Output is correct
20	Correct	490 ms	4044 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	461 ms	4288 KB	Output is correct
12	Correct	452 ms	4184 KB	Output is correct
13	Correct	306 ms	3224 KB	Output is correct
14	Correct	287 ms	3288 KB	Output is correct
15	Correct	743 ms	4356 KB	Output is correct
16	Correct	395 ms	3524 KB	Output is correct
17	Correct	396 ms	3548 KB	Output is correct
18	Correct	170 ms	5328 KB	Output is correct
19	Correct	208 ms	2316 KB	Output is correct
20	Correct	490 ms	4044 KB	Output is correct
21	Correct	277 ms	4428 KB	Output is correct
22	Correct	728 ms	4596 KB	Output is correct
23	Correct	461 ms	3772 KB	Output is correct
24	Correct	395 ms	3508 KB	Output is correct
25	Correct	374 ms	5556 KB	Output is correct
26	Correct	542 ms	3976 KB	Output is correct
27	Correct	520 ms	3948 KB	Output is correct
28	Correct	180 ms	6376 KB	Output is correct
29	Correct	232 ms	2532 KB	Output is correct
30	Correct	491 ms	4600 KB	Output is correct
31	Correct	852 ms	4476 KB	Output is correct
32	Correct	537 ms	4380 KB	Output is correct
33	Correct	331 ms	3448 KB	Output is correct
34	Correct	400 ms	3524 KB	Output is correct
35	Correct	530 ms	4184 KB	Output is correct
36	Correct	209 ms	2456 KB	Output is correct
37	Correct	788 ms	4416 KB	Output is correct
38	Correct	274 ms	2516 KB	Output is correct
39	Correct	443 ms	3612 KB	Output is correct
40	Correct	396 ms	3540 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	92 ms	14828 KB	Output is correct
12	Correct	107 ms	14908 KB	Output is correct
13	Correct	94 ms	14840 KB	Output is correct
14	Correct	136 ms	14792 KB	Output is correct
15	Correct	99 ms	14900 KB	Output is correct
16	Correct	122 ms	14836 KB	Output is correct
17	Correct	115 ms	14768 KB	Output is correct
18	Correct	68 ms	15004 KB	Output is correct
19	Correct	80 ms	14668 KB	Output is correct
20	Correct	84 ms	14856 KB	Output is correct
21	Correct	99 ms	14924 KB	Output is correct
22	Correct	147 ms	14796 KB	Output is correct
23	Correct	84 ms	14772 KB	Output is correct
24	Correct	108 ms	14796 KB	Output is correct
25	Correct	123 ms	14800 KB	Output is correct
26	Correct	76 ms	14644 KB	Output is correct
27	Correct	81 ms	14916 KB	Output is correct
28	Correct	76 ms	14780 KB	Output is correct
29	Correct	96 ms	14772 KB	Output is correct
30	Correct	125 ms	14812 KB	Output is correct
31	Correct	110 ms	14796 KB	Output is correct
32	Correct	127 ms	14772 KB	Output is correct
33	Correct	115 ms	14780 KB	Output is correct
34	Correct	74 ms	14776 KB	Output is correct
35	Correct	112 ms	14776 KB	Output is correct
36	Correct	104 ms	14904 KB	Output is correct
37	Correct	105 ms	14788 KB	Output is correct
38	Correct	124 ms	14800 KB	Output is correct
39	Correct	114 ms	14848 KB	Output is correct
40	Correct	106 ms	14876 KB	Output is correct

Subtask #5
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	461 ms	4288 KB	Output is correct
12	Correct	452 ms	4184 KB	Output is correct
13	Correct	306 ms	3224 KB	Output is correct
14	Correct	287 ms	3288 KB	Output is correct
15	Correct	743 ms	4356 KB	Output is correct
16	Correct	395 ms	3524 KB	Output is correct
17	Correct	396 ms	3548 KB	Output is correct
18	Correct	170 ms	5328 KB	Output is correct
19	Correct	208 ms	2316 KB	Output is correct
20	Correct	490 ms	4044 KB	Output is correct
21	Correct	277 ms	4428 KB	Output is correct
22	Correct	728 ms	4596 KB	Output is correct
23	Correct	461 ms	3772 KB	Output is correct
24	Correct	395 ms	3508 KB	Output is correct
25	Correct	374 ms	5556 KB	Output is correct
26	Correct	542 ms	3976 KB	Output is correct
27	Correct	520 ms	3948 KB	Output is correct
28	Correct	180 ms	6376 KB	Output is correct
29	Correct	232 ms	2532 KB	Output is correct
30	Correct	491 ms	4600 KB	Output is correct
31	Correct	852 ms	4476 KB	Output is correct
32	Correct	537 ms	4380 KB	Output is correct
33	Correct	331 ms	3448 KB	Output is correct
34	Correct	400 ms	3524 KB	Output is correct
35	Correct	530 ms	4184 KB	Output is correct
36	Correct	209 ms	2456 KB	Output is correct
37	Correct	788 ms	4416 KB	Output is correct
38	Correct	274 ms	2516 KB	Output is correct
39	Correct	443 ms	3612 KB	Output is correct
40	Correct	396 ms	3540 KB	Output is correct
41	Correct	92 ms	14828 KB	Output is correct
42	Correct	107 ms	14908 KB	Output is correct
43	Correct	94 ms	14840 KB	Output is correct
44	Correct	136 ms	14792 KB	Output is correct
45	Correct	99 ms	14900 KB	Output is correct
46	Correct	122 ms	14836 KB	Output is correct
47	Correct	115 ms	14768 KB	Output is correct
48	Correct	68 ms	15004 KB	Output is correct
49	Correct	80 ms	14668 KB	Output is correct
50	Correct	84 ms	14856 KB	Output is correct
51	Correct	99 ms	14924 KB	Output is correct
52	Correct	147 ms	14796 KB	Output is correct
53	Correct	84 ms	14772 KB	Output is correct
54	Correct	108 ms	14796 KB	Output is correct
55	Correct	123 ms	14800 KB	Output is correct
56	Correct	76 ms	14644 KB	Output is correct
57	Correct	81 ms	14916 KB	Output is correct
58	Correct	76 ms	14780 KB	Output is correct
59	Correct	96 ms	14772 KB	Output is correct
60	Correct	125 ms	14812 KB	Output is correct
61	Correct	110 ms	14796 KB	Output is correct
62	Correct	127 ms	14772 KB	Output is correct
63	Correct	115 ms	14780 KB	Output is correct
64	Correct	74 ms	14776 KB	Output is correct
65	Correct	112 ms	14776 KB	Output is correct
66	Correct	104 ms	14904 KB	Output is correct
67	Correct	105 ms	14788 KB	Output is correct
68	Correct	124 ms	14800 KB	Output is correct
69	Correct	114 ms	14848 KB	Output is correct
70	Correct	106 ms	14876 KB	Output is correct
71	Correct	584 ms	39172 KB	Output is correct
72	Correct	654 ms	39256 KB	Output is correct
73	Correct	855 ms	37844 KB	Output is correct
74	Correct	1318 ms	38296 KB	Output is correct
75	Correct	653 ms	40180 KB	Output is correct
76	Correct	1342 ms	38592 KB	Output is correct
77	Correct	1243 ms	38580 KB	Output is correct
78	Correct	308 ms	42232 KB	Output is correct
79	Correct	424 ms	36152 KB	Output is correct
80	Correct	554 ms	39308 KB	Output is correct
81	Correct	985 ms	39128 KB	Output is correct
82	Correct	1302 ms	38180 KB	Output is correct
83	Correct	588 ms	37300 KB	Output is correct
84	Correct	1066 ms	38348 KB	Output is correct
85	Correct	1234 ms	38324 KB	Output is correct
86	Correct	335 ms	36104 KB	Output is correct
87	Correct	500 ms	39256 KB	Output is correct
88	Correct	434 ms	36140 KB	Output is correct
89	Correct	776 ms	37880 KB	Output is correct
90	Correct	1104 ms	38636 KB	Output is correct
91	Correct	619 ms	37428 KB	Output is correct
92	Correct	1473 ms	38512 KB	Output is correct
93	Correct	1228 ms	38460 KB	Output is correct
94	Correct	303 ms	36280 KB	Output is correct
95	Correct	1006 ms	38416 KB	Output is correct
96	Correct	1056 ms	38384 KB	Output is correct
97	Correct	1010 ms	38348 KB	Output is correct
98	Correct	1008 ms	38492 KB	Output is correct
99	Correct	1012 ms	38396 KB	Output is correct
100	Correct	1004 ms	38348 KB	Output is correct

답안 #535339

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 10.0 / 10.0

Subtask #4 53.0 / 53.0

Subtask #5 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
10.0 / 10.0

Subtask #4
53.0 / 53.0

Subtask #5
25.0 / 25.0