oj.uz

Submission #332071

# Submission time Handle Problem Language Result Execution time Memory
332071 2020-12-01T10:57:50 Z AmShZ Snake Escaping (JOI18_snake_escaping) C++11
100 / 100
 1337 ms 26256 KB 
//khodaya khodet komak kon
# include <bits/stdc++.h>
 
/*
// ordered_set 
# include <ext/pb_ds/assoc_container.hpp>
# include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
# define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> 
*/
 
using namespace std;
 
typedef long long                                        ll;
typedef long double                                      ld;
typedef pair <int, int>                                  pii;
typedef pair <pii, int>                                  ppi;
typedef pair <int, pii>                                  pip;
typedef pair <pii, pii>                                  ppp;
typedef pair <ll, ll>                                    pll;
 
# define A                                               first
# define B                                               second
# define endl                                            '\n'
# define sep                                             ' '
# define lc                                              id << 1
# define rc                                              lc | 1
# define all(x)                                          x.begin(), x.end()
# define kill(x)                                         return cout << x << endl, 0
# define SZ(x)                                           int(x.size())
# define InTheNameOfGod                                  ios::sync_with_stdio(0);cin.tie(0); cout.tie(0);
 
ll power(ll a, ll b, ll md) {return (!b ? 1 : (b & 1 ? a * power(a * a % md, b / 2, md) % md : power(a * a % md, b / 2, md) % md));}
 
const int xn = 21;
const int xm = - 20 + 10;
const int sq = 320;
const ll inf = 1e18 + 10;
const ll INF = 1e18 + 10;
const int mod = 998244353;
const int base = 257;

int n, q, a[1 << xn], cnt[3], ted[1 << xn];
pii dp[1 << xn];
string s;

void solve3(){
	int mask = 0, tot = 0, ans = 0;
	for (int i = 0; i < n; ++ i){
		if (s[i] == '?')
			mask += (1 << i);
		else
			tot += (s[i] - '0') * (1 << i);
	}
	for (int sub = mask; sub > 0; sub = ((sub - 1) & mask))
		ans += a[tot + sub];
	ans += a[tot];
	cout << ans << endl;
}
void solve2(){
	int tot = 0, ans = 0, mask = 0;
	for (int i = 0; i < n; ++ i){
		if (s[i] != '0')
			tot += (1 << i);
		if (s[i] == '1')
			mask += (1 << i);
	}
	ans = dp[tot].A;
	for (int sub = mask; sub > 0; sub = ((sub - 1) & mask))
		ans += dp[tot - sub].A * ted[sub];
	cout << ans << endl;
}
void solve1(){
	int tot = 0, ans = 0, mask = 0;
	for (int i = 0; i < n; ++ i){
		if (s[i] == '1')
			tot += (1 << i);
		else if (s[i] == '0')
			mask += (1 << i);
	}
	ans = dp[tot].B;
	for (int sub = mask; sub > 0; sub = ((sub - 1) & mask))
		ans += dp[tot + sub].B * ted[sub];
	cout << ans << endl;
}

int main(){
	InTheNameOfGod;
	
	cin >> n >> q >> s;
	for (int i = 0; i < (1 << n); ++ i)
		a[i] = dp[i].A = dp[i].B = s[i] - '0';
	for (int bit = 0; bit < n; ++ bit){
		for (int mask = (1 << n) - 1; mask >= 0; -- mask)
			if ((mask & (1 << bit)))
				dp[mask].A += dp[mask - (1 << bit)].A;
		for (int mask = 0; mask < (1 << n); ++ mask)
			if (!(mask & (1 << bit)))
				dp[mask].B += dp[mask + (1 << bit)].B;
	}
	ted[0] = 1;
	for (int mask = 1; mask < (1 << n); ++ mask)
		ted[mask] = ted[mask - (mask & - mask)] * (- 1);
	while (q --){
		cin >> s, reverse(all(s));
		cnt[0] = cnt[1] = cnt[2] = 0;
		for (char c : s){
			if (c == '0')
				++ cnt[0];
			else if (c == '1')
				++ cnt[1];
			else
				++ cnt[2];
		}
		if (cnt[0] <= n / 3)
			solve1();
		else if (cnt[1] <= n / 3)
			solve2();
		else
			solve3();
	}
	
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 279 ms 5484 KB Output is correct
12 Correct 287 ms 5228 KB Output is correct
13 Correct 331 ms 4332 KB Output is correct
14 Correct 335 ms 4460 KB Output is correct
15 Correct 290 ms 5484 KB Output is correct
16 Correct 364 ms 4612 KB Output is correct
17 Correct 358 ms 4716 KB Output is correct
18 Correct 238 ms 6636 KB Output is correct
19 Correct 279 ms 3404 KB Output is correct
20 Correct 312 ms 4716 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 279 ms 5484 KB Output is correct
12 Correct 287 ms 5228 KB Output is correct
13 Correct 331 ms 4332 KB Output is correct
14 Correct 335 ms 4460 KB Output is correct
15 Correct 290 ms 5484 KB Output is correct
16 Correct 364 ms 4612 KB Output is correct
17 Correct 358 ms 4716 KB Output is correct
18 Correct 238 ms 6636 KB Output is correct
19 Correct 279 ms 3404 KB Output is correct
20 Correct 312 ms 4716 KB Output is correct
21 Correct 329 ms 5100 KB Output is correct
22 Correct 353 ms 5072 KB Output is correct
23 Correct 415 ms 4076 KB Output is correct
24 Correct 434 ms 4000 KB Output is correct
25 Correct 343 ms 5996 KB Output is correct
26 Correct 418 ms 4332 KB Output is correct
27 Correct 424 ms 4460 KB Output is correct
28 Correct 258 ms 6968 KB Output is correct
29 Correct 296 ms 3180 KB Output is correct
30 Correct 352 ms 5228 KB Output is correct
31 Correct 389 ms 4972 KB Output is correct
32 Correct 406 ms 5228 KB Output is correct
33 Correct 365 ms 3948 KB Output is correct
34 Correct 416 ms 4076 KB Output is correct
35 Correct 420 ms 4460 KB Output is correct
36 Correct 251 ms 3052 KB Output is correct
37 Correct 325 ms 4972 KB Output is correct
38 Correct 322 ms 2924 KB Output is correct
39 Correct 405 ms 4204 KB Output is correct
40 Correct 406 ms 4204 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 93 ms 18448 KB Output is correct
12 Correct 91 ms 18448 KB Output is correct
13 Correct 106 ms 18448 KB Output is correct
14 Correct 129 ms 18448 KB Output is correct
15 Correct 93 ms 18704 KB Output is correct
16 Correct 123 ms 18448 KB Output is correct
17 Correct 111 ms 18448 KB Output is correct
18 Correct 80 ms 18704 KB Output is correct
19 Correct 103 ms 18320 KB Output is correct
20 Correct 92 ms 18448 KB Output is correct
21 Correct 101 ms 18448 KB Output is correct
22 Correct 122 ms 18448 KB Output is correct
23 Correct 114 ms 18448 KB Output is correct
24 Correct 117 ms 18448 KB Output is correct
25 Correct 113 ms 18448 KB Output is correct
26 Correct 79 ms 18460 KB Output is correct
27 Correct 96 ms 18448 KB Output is correct
28 Correct 91 ms 18320 KB Output is correct
29 Correct 103 ms 18448 KB Output is correct
30 Correct 104 ms 18448 KB Output is correct
31 Correct 92 ms 18468 KB Output is correct
32 Correct 120 ms 18448 KB Output is correct
33 Correct 110 ms 18576 KB Output is correct
34 Correct 93 ms 18320 KB Output is correct
35 Correct 106 ms 18476 KB Output is correct
36 Correct 102 ms 18448 KB Output is correct
37 Correct 102 ms 18448 KB Output is correct
38 Correct 111 ms 18436 KB Output is correct
39 Correct 124 ms 18624 KB Output is correct
40 Correct 104 ms 18448 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 279 ms 5484 KB Output is correct
12 Correct 287 ms 5228 KB Output is correct
13 Correct 331 ms 4332 KB Output is correct
14 Correct 335 ms 4460 KB Output is correct
15 Correct 290 ms 5484 KB Output is correct
16 Correct 364 ms 4612 KB Output is correct
17 Correct 358 ms 4716 KB Output is correct
18 Correct 238 ms 6636 KB Output is correct
19 Correct 279 ms 3404 KB Output is correct
20 Correct 312 ms 4716 KB Output is correct
21 Correct 329 ms 5100 KB Output is correct
22 Correct 353 ms 5072 KB Output is correct
23 Correct 415 ms 4076 KB Output is correct
24 Correct 434 ms 4000 KB Output is correct
25 Correct 343 ms 5996 KB Output is correct
26 Correct 418 ms 4332 KB Output is correct
27 Correct 424 ms 4460 KB Output is correct
28 Correct 258 ms 6968 KB Output is correct
29 Correct 296 ms 3180 KB Output is correct
30 Correct 352 ms 5228 KB Output is correct
31 Correct 389 ms 4972 KB Output is correct
32 Correct 406 ms 5228 KB Output is correct
33 Correct 365 ms 3948 KB Output is correct
34 Correct 416 ms 4076 KB Output is correct
35 Correct 420 ms 4460 KB Output is correct
36 Correct 251 ms 3052 KB Output is correct
37 Correct 325 ms 4972 KB Output is correct
38 Correct 322 ms 2924 KB Output is correct
39 Correct 405 ms 4204 KB Output is correct
40 Correct 406 ms 4204 KB Output is correct
41 Correct 93 ms 18448 KB Output is correct
42 Correct 91 ms 18448 KB Output is correct
43 Correct 106 ms 18448 KB Output is correct
44 Correct 129 ms 18448 KB Output is correct
45 Correct 93 ms 18704 KB Output is correct
46 Correct 123 ms 18448 KB Output is correct
47 Correct 111 ms 18448 KB Output is correct
48 Correct 80 ms 18704 KB Output is correct
49 Correct 103 ms 18320 KB Output is correct
50 Correct 92 ms 18448 KB Output is correct
51 Correct 101 ms 18448 KB Output is correct
52 Correct 122 ms 18448 KB Output is correct
53 Correct 114 ms 18448 KB Output is correct
54 Correct 117 ms 18448 KB Output is correct
55 Correct 113 ms 18448 KB Output is correct
56 Correct 79 ms 18460 KB Output is correct
57 Correct 96 ms 18448 KB Output is correct
58 Correct 91 ms 18320 KB Output is correct
59 Correct 103 ms 18448 KB Output is correct
60 Correct 104 ms 18448 KB Output is correct
61 Correct 92 ms 18468 KB Output is correct
62 Correct 120 ms 18448 KB Output is correct
63 Correct 110 ms 18576 KB Output is correct
64 Correct 93 ms 18320 KB Output is correct
65 Correct 106 ms 18476 KB Output is correct
66 Correct 102 ms 18448 KB Output is correct
67 Correct 102 ms 18448 KB Output is correct
68 Correct 111 ms 18436 KB Output is correct
69 Correct 124 ms 18624 KB Output is correct
70 Correct 104 ms 18448 KB Output is correct
71 Correct 637 ms 23512 KB Output is correct
72 Correct 690 ms 23756 KB Output is correct
73 Correct 999 ms 22288 KB Output is correct
74 Correct 1328 ms 22856 KB Output is correct
75 Correct 614 ms 24380 KB Output is correct
76 Correct 1337 ms 22668 KB Output is correct
77 Correct 1061 ms 22420 KB Output is correct
78 Correct 391 ms 26256 KB Output is correct
79 Correct 485 ms 20240 KB Output is correct
80 Correct 639 ms 23568 KB Output is correct
81 Correct 850 ms 23384 KB Output is correct
82 Correct 1237 ms 22208 KB Output is correct
83 Correct 635 ms 21380 KB Output is correct
84 Correct 1136 ms 22544 KB Output is correct
85 Correct 1022 ms 22488 KB Output is correct
86 Correct 356 ms 20372 KB Output is correct
87 Correct 615 ms 23316 KB Output is correct
88 Correct 583 ms 20496 KB Output is correct
89 Correct 843 ms 22160 KB Output is correct
90 Correct 872 ms 22416 KB Output is correct
91 Correct 683 ms 21648 KB Output is correct
92 Correct 1236 ms 22708 KB Output is correct
93 Correct 1044 ms 22724 KB Output is correct
94 Correct 347 ms 20768 KB Output is correct
95 Correct 898 ms 22848 KB Output is correct
96 Correct 892 ms 23184 KB Output is correct
97 Correct 897 ms 22672 KB Output is correct
98 Correct 921 ms 22624 KB Output is correct
99 Correct 901 ms 22544 KB Output is correct
100 Correct 909 ms 22636 KB Output is correct