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답안 #446257

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
446257 2021-07-21T11:24:11 Z TheScrasse Snake Escaping (JOI18_snake_escaping) C++17
100 / 100
 1918 ms 29796 KB 
#include <bits/stdc++.h>
using namespace std;

#define nl "\n"
#define nf endl
#define ll long long
#define pb push_back
#define _ << ' ' <<

#define INF (ll)1e18
#define mod 998244353
#define maxn 1048586

ll i, i1, j, k, k1, tc, n, m, res, flag[10], a, b;
ll dp[2][maxn], cn[3], l, q, mk, ma;
string s, t;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    #if !ONLINE_JUDGE && !EVAL
        ifstream cin("input.txt");
        ofstream cout("output.txt");
    #endif

    cin >> l >> q >> s;

    for (mk = 0; mk < (1 << l); mk++) {
        dp[0][mk] = (ll)s[mk] - '0';
        dp[1][mk] = (ll)s[mk ^ ((1 << l) - 1)] - '0';
    }

    for (i = 0; i < l; i++) {
        for (mk = 0; mk < (1 << l); mk++) {
            if ((mk >> i) & 1) {
                dp[0][mk] += dp[0][mk ^ (1 << i)];
                dp[1][mk] += dp[1][mk ^ (1 << i)];
            }
        }
    }

    /* for (mk = 0; mk < (1 << l); mk++) {
        cout << mk _ dp[0][mk] _ dp[1][mk] << nl;
    } */

    while (q--) {
        cin >> t; cn[0] = 0; cn[1] = 0; cn[2] = 0; res = 0;
        k = 0; m = 0;
        reverse(t.begin(), t.end());
        for (i = 0; i < l; i++) {
            if (t[i] == '0') cn[0]++;
            else if (t[i] == '1') cn[1]++;
            else cn[2]++;
        }

        if (cn[0] <= 6) {
            // cout << "t = " << t << nl;
            for (i = 0; i < l; i++) {
                if (t[i] == '?') k += (1 << i);
                else if (t[i] == '0') m += (1 << i);
            }

            for (ma = m;; ma = (ma - 1) & m) {
                // cout << "k, ma = " << k _ ma _ k + ma << nl;
                res += (dp[1][k + ma] * (1 - 2 * (__builtin_popcount(m ^ ma) % 2)));
                if (ma == 0) break;
            }
        } else if (cn[1] <= 6) {
            for (i = 0; i < l; i++) {
                if (t[i] == '?') k += (1 << i);
                else if (t[i] == '1') m += (1 << i);
            }

            for (ma = m;; ma = (ma - 1) & m) {
                res += (dp[0][k + ma] * (1 - 2 * (__builtin_popcount(m ^ ma) % 2)));
                if (ma == 0) break;
            }
        } else {
            for (i = 0; i < l; i++) {
                if (t[i] == '1') k += (1 << i);
                else if (t[i] == '?') m += (1 << i);
            }

            for (ma = m;; ma = (ma - 1) & m) {
                res += (ll)s[k + ma] - '0';
                if (ma == 0) break;
            }
        }

        cout << res << nl;
    }

    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 268 ms 15020 KB Output is correct
12 Correct 397 ms 14824 KB Output is correct
13 Correct 487 ms 14032 KB Output is correct
14 Correct 410 ms 14144 KB Output is correct
15 Correct 333 ms 15196 KB Output is correct
16 Correct 387 ms 14152 KB Output is correct
17 Correct 434 ms 14172 KB Output is correct
18 Correct 225 ms 16032 KB Output is correct
19 Correct 406 ms 13004 KB Output is correct
20 Correct 301 ms 14916 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 268 ms 15020 KB Output is correct
12 Correct 397 ms 14824 KB Output is correct
13 Correct 487 ms 14032 KB Output is correct
14 Correct 410 ms 14144 KB Output is correct
15 Correct 333 ms 15196 KB Output is correct
16 Correct 387 ms 14152 KB Output is correct
17 Correct 434 ms 14172 KB Output is correct
18 Correct 225 ms 16032 KB Output is correct
19 Correct 406 ms 13004 KB Output is correct
20 Correct 301 ms 14916 KB Output is correct
21 Correct 328 ms 18064 KB Output is correct
22 Correct 430 ms 18372 KB Output is correct
23 Correct 701 ms 17220 KB Output is correct
24 Correct 574 ms 17092 KB Output is correct
25 Correct 410 ms 19052 KB Output is correct
26 Correct 508 ms 17548 KB Output is correct
27 Correct 531 ms 17532 KB Output is correct
28 Correct 244 ms 20168 KB Output is correct
29 Correct 606 ms 16144 KB Output is correct
30 Correct 365 ms 18300 KB Output is correct
31 Correct 489 ms 18116 KB Output is correct
32 Correct 495 ms 18164 KB Output is correct
33 Correct 393 ms 16964 KB Output is correct
34 Correct 523 ms 17112 KB Output is correct
35 Correct 520 ms 17716 KB Output is correct
36 Correct 253 ms 16132 KB Output is correct
37 Correct 323 ms 18148 KB Output is correct
38 Correct 542 ms 16200 KB Output is correct
39 Correct 479 ms 17316 KB Output is correct
40 Correct 479 ms 17088 KB Output is correct

Subtask #4
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 78 ms 20084 KB Output is correct
12 Correct 78 ms 20168 KB Output is correct
13 Correct 99 ms 20032 KB Output is correct
14 Correct 128 ms 20028 KB Output is correct
15 Correct 84 ms 20160 KB Output is correct
16 Correct 132 ms 20068 KB Output is correct
17 Correct 122 ms 20012 KB Output is correct
18 Correct 64 ms 20304 KB Output is correct
19 Correct 76 ms 19936 KB Output is correct
20 Correct 79 ms 20092 KB Output is correct
21 Correct 102 ms 20172 KB Output is correct
22 Correct 129 ms 20040 KB Output is correct
23 Correct 80 ms 20068 KB Output is correct
24 Correct 129 ms 20172 KB Output is correct
25 Correct 127 ms 20076 KB Output is correct
26 Correct 67 ms 19940 KB Output is correct
27 Correct 73 ms 20088 KB Output is correct
28 Correct 77 ms 19972 KB Output is correct
29 Correct 97 ms 20068 KB Output is correct
30 Correct 83 ms 20124 KB Output is correct
31 Correct 80 ms 20036 KB Output is correct
32 Correct 146 ms 20048 KB Output is correct
33 Correct 123 ms 20136 KB Output is correct
34 Correct 64 ms 19900 KB Output is correct
35 Correct 104 ms 20092 KB Output is correct
36 Correct 110 ms 20108 KB Output is correct
37 Correct 106 ms 20120 KB Output is correct
38 Correct 104 ms 20044 KB Output is correct
39 Correct 110 ms 20044 KB Output is correct
40 Correct 103 ms 20048 KB Output is correct

Subtask #5
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 268 ms 15020 KB Output is correct
12 Correct 397 ms 14824 KB Output is correct
13 Correct 487 ms 14032 KB Output is correct
14 Correct 410 ms 14144 KB Output is correct
15 Correct 333 ms 15196 KB Output is correct
16 Correct 387 ms 14152 KB Output is correct
17 Correct 434 ms 14172 KB Output is correct
18 Correct 225 ms 16032 KB Output is correct
19 Correct 406 ms 13004 KB Output is correct
20 Correct 301 ms 14916 KB Output is correct
21 Correct 328 ms 18064 KB Output is correct
22 Correct 430 ms 18372 KB Output is correct
23 Correct 701 ms 17220 KB Output is correct
24 Correct 574 ms 17092 KB Output is correct
25 Correct 410 ms 19052 KB Output is correct
26 Correct 508 ms 17548 KB Output is correct
27 Correct 531 ms 17532 KB Output is correct
28 Correct 244 ms 20168 KB Output is correct
29 Correct 606 ms 16144 KB Output is correct
30 Correct 365 ms 18300 KB Output is correct
31 Correct 489 ms 18116 KB Output is correct
32 Correct 495 ms 18164 KB Output is correct
33 Correct 393 ms 16964 KB Output is correct
34 Correct 523 ms 17112 KB Output is correct
35 Correct 520 ms 17716 KB Output is correct
36 Correct 253 ms 16132 KB Output is correct
37 Correct 323 ms 18148 KB Output is correct
38 Correct 542 ms 16200 KB Output is correct
39 Correct 479 ms 17316 KB Output is correct
40 Correct 479 ms 17088 KB Output is correct
41 Correct 78 ms 20084 KB Output is correct
42 Correct 78 ms 20168 KB Output is correct
43 Correct 99 ms 20032 KB Output is correct
44 Correct 128 ms 20028 KB Output is correct
45 Correct 84 ms 20160 KB Output is correct
46 Correct 132 ms 20068 KB Output is correct
47 Correct 122 ms 20012 KB Output is correct
48 Correct 64 ms 20304 KB Output is correct
49 Correct 76 ms 19936 KB Output is correct
50 Correct 79 ms 20092 KB Output is correct
51 Correct 102 ms 20172 KB Output is correct
52 Correct 129 ms 20040 KB Output is correct
53 Correct 80 ms 20068 KB Output is correct
54 Correct 129 ms 20172 KB Output is correct
55 Correct 127 ms 20076 KB Output is correct
56 Correct 67 ms 19940 KB Output is correct
57 Correct 73 ms 20088 KB Output is correct
58 Correct 77 ms 19972 KB Output is correct
59 Correct 97 ms 20068 KB Output is correct
60 Correct 83 ms 20124 KB Output is correct
61 Correct 80 ms 20036 KB Output is correct
62 Correct 146 ms 20048 KB Output is correct
63 Correct 123 ms 20136 KB Output is correct
64 Correct 64 ms 19900 KB Output is correct
65 Correct 104 ms 20092 KB Output is correct
66 Correct 110 ms 20108 KB Output is correct
67 Correct 106 ms 20120 KB Output is correct
68 Correct 104 ms 20044 KB Output is correct
69 Correct 110 ms 20044 KB Output is correct
70 Correct 103 ms 20048 KB Output is correct
71 Correct 547 ms 26700 KB Output is correct
72 Correct 626 ms 26732 KB Output is correct
73 Correct 962 ms 25444 KB Output is correct
74 Correct 1861 ms 25684 KB Output is correct
75 Correct 669 ms 28008 KB Output is correct
76 Correct 1710 ms 26064 KB Output is correct
77 Correct 1479 ms 25876 KB Output is correct
78 Correct 339 ms 29796 KB Output is correct
79 Correct 514 ms 23632 KB Output is correct
80 Correct 589 ms 26848 KB Output is correct
81 Correct 1062 ms 26852 KB Output is correct
82 Correct 1775 ms 25608 KB Output is correct
83 Correct 658 ms 24884 KB Output is correct
84 Correct 1571 ms 25764 KB Output is correct
85 Correct 1503 ms 25732 KB Output is correct
86 Correct 359 ms 23528 KB Output is correct
87 Correct 561 ms 26444 KB Output is correct
88 Correct 578 ms 23552 KB Output is correct
89 Correct 956 ms 25064 KB Output is correct
90 Correct 744 ms 25444 KB Output is correct
91 Correct 675 ms 24636 KB Output is correct
92 Correct 1918 ms 25760 KB Output is correct
93 Correct 1427 ms 25520 KB Output is correct
94 Correct 373 ms 23344 KB Output is correct
95 Correct 1166 ms 25384 KB Output is correct
96 Correct 1185 ms 25448 KB Output is correct
97 Correct 1176 ms 25456 KB Output is correct
98 Correct 1185 ms 25268 KB Output is correct
99 Correct 1221 ms 25000 KB Output is correct
100 Correct 1165 ms 24936 KB Output is correct