Submission #204075

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
204075	2020-02-24T08:37:22 Z	Kastanda	Snake Escaping (JOI18_snake_escaping)	C++11	100 / 100	1450 ms	51696 KB

snake_escaping

// In The Name Of The Queen
#include<bits/stdc++.h>
using namespace std;
const int N = 20, K = 12, M = 8, MXK = 531441, MXM = 6561, MAXQ = 1e6 + 9; // MXK = 3 ^ K, MXM = 3 ^ M
int n, q, k, m, RS[MAXQ], Val[MAXQ];
int L[MXK], R[MXK], B[MXK], dp[MXK];
char A[1 << N], Tmp[N];
vector < int > Q[MXM];
int main()
{
    scanf("%d%d%s", &n, &q, A);
    for (int i = 0; i < (1 << n); i ++)
        A[i] -= '0';
    k = min(K, n); m = n - k;
    for (int i = 0; i < q; i ++)
    {
        scanf("%s", Tmp);
        for (int j = 0; j < n; j ++)
        {
            if (Tmp[j] == '?')
                Tmp[j] = '2';
            Tmp[j] -= '0';
        }
        int pref = 0;
        for (int j = 0; j < m; j ++)
            pref = (pref << 1) + pref + Tmp[j];
        int suff = 0;
        for (int j = m; j < n; j ++)
            suff = (suff << 1) + suff + Tmp[j];
        Val[i] = suff;
        Q[pref].push_back(i);
    }
    int k3 = 1;
    for (int i = 0; i < k; i ++)
        k3 *= 3;
    for (int state = 0; state < k3; state ++)
    {
        int tmp = state;
        for (int j = 0; j < k; j ++)
            Tmp[j] = tmp % 3, tmp /= 3;
        int h = -1;
        for (int j = 0; j < k; j ++)
            if (Tmp[j] == 2)
                h = j;
        if (h == -1)
        {
            for (int j = 0; j < k; j ++)
                B[state] |= Tmp[j] << j;
            continue;
        }
        B[state] = -1;
        Tmp[h] = 0;
        for (int j = k - 1; ~ j; j --)
            L[state] = L[state] * 3 + Tmp[j];
        Tmp[h] = 1;
        for (int j = k - 1; ~ j; j --)
            R[state] = R[state] * 3 + Tmp[j];
    }
    for (int mask = 0; mask < (1 << m); mask ++)
    {
        for (int state = 0; state < k3; state ++)
        {
            if (B[state] != -1)
                dp[state] = A[(mask << k) | B[state]];
            else
                dp[state] = dp[L[state]] + dp[R[state]];
        }
        for (int sk = 0; sk < (1 << m); sk ++)
        {
            for (int j = 0; j < m; j ++)
            {
                if (sk >> j & 1)
                    Tmp[j] = 2;
                else
                    Tmp[j] = mask >> j & 1;
            }
            int pref = 0;
            for (int j = m - 1; ~ j; j --)
                pref = pref * 3 + Tmp[j];
            for (int i : Q[pref])
                RS[i] += dp[Val[i]];
        }
    }
    for (int i = 0; i < q; i ++)
        printf("%d\n", RS[i]);
    return 0;
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%s", &n, &q, A);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~
snake_escaping.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s", Tmp);
         ~~~~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	1400 KB	Output is correct
2	Correct	8 ms	1400 KB	Output is correct
3	Correct	8 ms	1400 KB	Output is correct
4	Correct	8 ms	1400 KB	Output is correct
5	Correct	8 ms	1528 KB	Output is correct
6	Correct	8 ms	1528 KB	Output is correct
7	Correct	8 ms	1528 KB	Output is correct
8	Correct	8 ms	1528 KB	Output is correct
9	Correct	8 ms	1400 KB	Output is correct
10	Correct	9 ms	1448 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	1400 KB	Output is correct
2	Correct	8 ms	1400 KB	Output is correct
3	Correct	8 ms	1400 KB	Output is correct
4	Correct	8 ms	1400 KB	Output is correct
5	Correct	8 ms	1528 KB	Output is correct
6	Correct	8 ms	1528 KB	Output is correct
7	Correct	8 ms	1528 KB	Output is correct
8	Correct	8 ms	1528 KB	Output is correct
9	Correct	8 ms	1400 KB	Output is correct
10	Correct	9 ms	1448 KB	Output is correct
11	Correct	279 ms	28044 KB	Output is correct
12	Correct	274 ms	27740 KB	Output is correct
13	Correct	258 ms	26928 KB	Output is correct
14	Correct	255 ms	27100 KB	Output is correct
15	Correct	254 ms	28124 KB	Output is correct
16	Correct	258 ms	27228 KB	Output is correct
17	Correct	253 ms	27228 KB	Output is correct
18	Correct	246 ms	29148 KB	Output is correct
19	Correct	245 ms	26204 KB	Output is correct
20	Correct	255 ms	27740 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	1400 KB	Output is correct
2	Correct	8 ms	1400 KB	Output is correct
3	Correct	8 ms	1400 KB	Output is correct
4	Correct	8 ms	1400 KB	Output is correct
5	Correct	8 ms	1528 KB	Output is correct
6	Correct	8 ms	1528 KB	Output is correct
7	Correct	8 ms	1528 KB	Output is correct
8	Correct	8 ms	1528 KB	Output is correct
9	Correct	8 ms	1400 KB	Output is correct
10	Correct	9 ms	1448 KB	Output is correct
11	Correct	279 ms	28044 KB	Output is correct
12	Correct	274 ms	27740 KB	Output is correct
13	Correct	258 ms	26928 KB	Output is correct
14	Correct	255 ms	27100 KB	Output is correct
15	Correct	254 ms	28124 KB	Output is correct
16	Correct	258 ms	27228 KB	Output is correct
17	Correct	253 ms	27228 KB	Output is correct
18	Correct	246 ms	29148 KB	Output is correct
19	Correct	245 ms	26204 KB	Output is correct
20	Correct	255 ms	27740 KB	Output is correct
21	Correct	292 ms	38480 KB	Output is correct
22	Correct	307 ms	38560 KB	Output is correct
23	Correct	306 ms	37776 KB	Output is correct
24	Correct	299 ms	37452 KB	Output is correct
25	Correct	301 ms	40808 KB	Output is correct
26	Correct	303 ms	38088 KB	Output is correct
27	Correct	313 ms	38140 KB	Output is correct
28	Correct	300 ms	40540 KB	Output is correct
29	Correct	288 ms	36556 KB	Output is correct
30	Correct	309 ms	38524 KB	Output is correct
31	Correct	292 ms	38496 KB	Output is correct
32	Correct	296 ms	38348 KB	Output is correct
33	Correct	291 ms	38056 KB	Output is correct
34	Correct	291 ms	37412 KB	Output is correct
35	Correct	302 ms	38156 KB	Output is correct
36	Correct	288 ms	36368 KB	Output is correct
37	Correct	298 ms	38476 KB	Output is correct
38	Correct	281 ms	36356 KB	Output is correct
39	Correct	301 ms	37708 KB	Output is correct
40	Correct	301 ms	37576 KB	Output is correct

Subtask #4
53.0 / 53.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	1400 KB	Output is correct
2	Correct	8 ms	1400 KB	Output is correct
3	Correct	8 ms	1400 KB	Output is correct
4	Correct	8 ms	1400 KB	Output is correct
5	Correct	8 ms	1528 KB	Output is correct
6	Correct	8 ms	1528 KB	Output is correct
7	Correct	8 ms	1528 KB	Output is correct
8	Correct	8 ms	1528 KB	Output is correct
9	Correct	8 ms	1400 KB	Output is correct
10	Correct	9 ms	1448 KB	Output is correct
11	Correct	251 ms	12880 KB	Output is correct
12	Correct	253 ms	12792 KB	Output is correct
13	Correct	264 ms	12904 KB	Output is correct
14	Correct	266 ms	12920 KB	Output is correct
15	Correct	272 ms	13048 KB	Output is correct
16	Correct	258 ms	12920 KB	Output is correct
17	Correct	268 ms	12920 KB	Output is correct
18	Correct	304 ms	13068 KB	Output is correct
19	Correct	243 ms	12664 KB	Output is correct
20	Correct	257 ms	13048 KB	Output is correct
21	Correct	258 ms	12920 KB	Output is correct
22	Correct	264 ms	12920 KB	Output is correct
23	Correct	247 ms	12792 KB	Output is correct
24	Correct	249 ms	12896 KB	Output is correct
25	Correct	263 ms	13048 KB	Output is correct
26	Correct	241 ms	12788 KB	Output is correct
27	Correct	246 ms	12920 KB	Output is correct
28	Correct	246 ms	12664 KB	Output is correct
29	Correct	251 ms	12920 KB	Output is correct
30	Correct	258 ms	12920 KB	Output is correct
31	Correct	248 ms	12792 KB	Output is correct
32	Correct	274 ms	12920 KB	Output is correct
33	Correct	258 ms	12920 KB	Output is correct
34	Correct	243 ms	12660 KB	Output is correct
35	Correct	266 ms	12920 KB	Output is correct
36	Correct	262 ms	12920 KB	Output is correct
37	Correct	268 ms	13048 KB	Output is correct
38	Correct	262 ms	12920 KB	Output is correct
39	Correct	263 ms	12924 KB	Output is correct
40	Correct	261 ms	12920 KB	Output is correct

Subtask #5
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	1400 KB	Output is correct
2	Correct	8 ms	1400 KB	Output is correct
3	Correct	8 ms	1400 KB	Output is correct
4	Correct	8 ms	1400 KB	Output is correct
5	Correct	8 ms	1528 KB	Output is correct
6	Correct	8 ms	1528 KB	Output is correct
7	Correct	8 ms	1528 KB	Output is correct
8	Correct	8 ms	1528 KB	Output is correct
9	Correct	8 ms	1400 KB	Output is correct
10	Correct	9 ms	1448 KB	Output is correct
11	Correct	279 ms	28044 KB	Output is correct
12	Correct	274 ms	27740 KB	Output is correct
13	Correct	258 ms	26928 KB	Output is correct
14	Correct	255 ms	27100 KB	Output is correct
15	Correct	254 ms	28124 KB	Output is correct
16	Correct	258 ms	27228 KB	Output is correct
17	Correct	253 ms	27228 KB	Output is correct
18	Correct	246 ms	29148 KB	Output is correct
19	Correct	245 ms	26204 KB	Output is correct
20	Correct	255 ms	27740 KB	Output is correct
21	Correct	292 ms	38480 KB	Output is correct
22	Correct	307 ms	38560 KB	Output is correct
23	Correct	306 ms	37776 KB	Output is correct
24	Correct	299 ms	37452 KB	Output is correct
25	Correct	301 ms	40808 KB	Output is correct
26	Correct	303 ms	38088 KB	Output is correct
27	Correct	313 ms	38140 KB	Output is correct
28	Correct	300 ms	40540 KB	Output is correct
29	Correct	288 ms	36556 KB	Output is correct
30	Correct	309 ms	38524 KB	Output is correct
31	Correct	292 ms	38496 KB	Output is correct
32	Correct	296 ms	38348 KB	Output is correct
33	Correct	291 ms	38056 KB	Output is correct
34	Correct	291 ms	37412 KB	Output is correct
35	Correct	302 ms	38156 KB	Output is correct
36	Correct	288 ms	36368 KB	Output is correct
37	Correct	298 ms	38476 KB	Output is correct
38	Correct	281 ms	36356 KB	Output is correct
39	Correct	301 ms	37708 KB	Output is correct
40	Correct	301 ms	37576 KB	Output is correct
41	Correct	251 ms	12880 KB	Output is correct
42	Correct	253 ms	12792 KB	Output is correct
43	Correct	264 ms	12904 KB	Output is correct
44	Correct	266 ms	12920 KB	Output is correct
45	Correct	272 ms	13048 KB	Output is correct
46	Correct	258 ms	12920 KB	Output is correct
47	Correct	268 ms	12920 KB	Output is correct
48	Correct	304 ms	13068 KB	Output is correct
49	Correct	243 ms	12664 KB	Output is correct
50	Correct	257 ms	13048 KB	Output is correct
51	Correct	258 ms	12920 KB	Output is correct
52	Correct	264 ms	12920 KB	Output is correct
53	Correct	247 ms	12792 KB	Output is correct
54	Correct	249 ms	12896 KB	Output is correct
55	Correct	263 ms	13048 KB	Output is correct
56	Correct	241 ms	12788 KB	Output is correct
57	Correct	246 ms	12920 KB	Output is correct
58	Correct	246 ms	12664 KB	Output is correct
59	Correct	251 ms	12920 KB	Output is correct
60	Correct	258 ms	12920 KB	Output is correct
61	Correct	248 ms	12792 KB	Output is correct
62	Correct	274 ms	12920 KB	Output is correct
63	Correct	258 ms	12920 KB	Output is correct
64	Correct	243 ms	12660 KB	Output is correct
65	Correct	266 ms	12920 KB	Output is correct
66	Correct	262 ms	12920 KB	Output is correct
67	Correct	268 ms	13048 KB	Output is correct
68	Correct	262 ms	12920 KB	Output is correct
69	Correct	263 ms	12924 KB	Output is correct
70	Correct	261 ms	12920 KB	Output is correct
71	Correct	814 ms	51312 KB	Output is correct
72	Correct	857 ms	49012 KB	Output is correct
73	Correct	712 ms	50168 KB	Output is correct
74	Correct	790 ms	49136 KB	Output is correct
75	Correct	1308 ms	51188 KB	Output is correct
76	Correct	852 ms	49688 KB	Output is correct
77	Correct	885 ms	50740 KB	Output is correct
78	Correct	1450 ms	51276 KB	Output is correct
79	Correct	554 ms	47600 KB	Output is correct
80	Correct	855 ms	48960 KB	Output is correct
81	Correct	1010 ms	51696 KB	Output is correct
82	Correct	803 ms	49136 KB	Output is correct
83	Correct	637 ms	48244 KB	Output is correct
84	Correct	779 ms	49392 KB	Output is correct
85	Correct	806 ms	50800 KB	Output is correct
86	Correct	523 ms	45524 KB	Output is correct
87	Correct	794 ms	50692 KB	Output is correct
88	Correct	553 ms	45808 KB	Output is correct
89	Correct	720 ms	50280 KB	Output is correct
90	Correct	744 ms	48980 KB	Output is correct
91	Correct	624 ms	48240 KB	Output is correct
92	Correct	848 ms	49664 KB	Output is correct
93	Correct	870 ms	50888 KB	Output is correct
94	Correct	524 ms	45268 KB	Output is correct
95	Correct	1004 ms	48992 KB	Output is correct
96	Correct	1008 ms	49208 KB	Output is correct
97	Correct	1012 ms	49076 KB	Output is correct
98	Correct	1002 ms	49156 KB	Output is correct
99	Correct	998 ms	49072 KB	Output is correct
100	Correct	989 ms	48964 KB	Output is correct

Submission #204075

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