oj.uz

Submission #135183

# Submission time Handle Problem Language Result Execution time Memory
135183 2019-07-23T18:55:27 Z duality Snake Escaping (JOI18_snake_escaping) C++11
75 / 100
 2000 ms 39868 KB 
#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
typedef long long int LLI;
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef vector<pii> vpii;

int H = 9;
char S[(1 << 20)+1],T[21];
struct query { int m1,m2,i; };
query queries[1000000];
int pow3[21];
int ans[1000000];
int num[1594323];
int sum[1594323];
int main() {
    int i,j;
    int L,Q;
    scanf("%d %d %s",&L,&Q,S);
    H = min(H,L);
    for (i = 0; i < Q; i++) {
        scanf("%s",T),queries[i].i = i;
        reverse(T,T+H),reverse(T+H,T+L);
        for (j = 0; j < H; j++) {
            if (T[j] == '0') queries[i].m1 |= (1 << (2*j));
            else if (T[j] == '1') queries[i].m1 |= (1 << (2*j+1));
            else queries[i].m1 |= (1 << (2*j)) | (1 << (2*j+1));
        }
        int p = 1;
        for (j = H; j < L; j++) {
            if (T[j] == '1') queries[i].m2 += p;
            else if (T[j] == '?') queries[i].m2 += 2*p;
            p *= 3;
        }
    }

    int k;
    pow3[0] = 1;
    for (i = 1; i <= L; i++) pow3[i] = pow3[i-1]*3;
    for (i = 0; i < pow3[L-H]; i++) {
        int n = i;
        for (j = 0; j < L-H; j++) {
            if ((n % 3) == 0) num[i] |= (1 << (2*j));
            else if ((n % 3) == 1) num[i] |= (1 << (2*j+1));
            else num[i] |= (1 << (2*j)) | (1 << (2*j+1));
            n /= 3;
        }
    }
    for (i = 0; i < (1 << H); i++) {
        for (j = 0; j < (1 << (L-H)); j++) {
            int c = 0;
            for (k = 0; k < L-H; k++) {
                if (j & (1 << k)) c += pow3[k];
            }
            sum[c] = S[j+i*(1 << (L-H))]-'0';
        }
        for (j = 0; j < L-H; j++) {
            for (k = 0; k < pow3[L-H]; k++) {
                if (((num[k] >> (2*j)) & 3) == 3) sum[k] = sum[k-pow3[j]]+sum[k-2*pow3[j]];
            }
        }
        int m = 0;
        for (j = 0; j < H; j++) {
            if (i & (1 << j)) m |= (1 << (2*j+1));
            else m |= (1 << (2*j));
        }
        for (j = 0; j < Q; j++) {
            if ((queries[j].m1 & m) == m) ans[queries[j].i] += sum[queries[j].m2];
        }
    }
    for (i = 0; i < Q; i++) printf("%d\n",ans[i]);

    return 0;
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %s",&L,&Q,S);
     ~~~~~^~~~~~~~~~~~~~~~~~~~
snake_escaping.cpp:24:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s",T),queries[i].i = i;
         ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 3 ms 408 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 4 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 3 ms 408 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 4 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 1239 ms 22664 KB Output is correct
12 Correct 1354 ms 22208 KB Output is correct
13 Correct 1190 ms 21304 KB Output is correct
14 Correct 1244 ms 21436 KB Output is correct
15 Correct 1485 ms 22500 KB Output is correct
16 Correct 1100 ms 21572 KB Output is correct
17 Correct 1061 ms 21604 KB Output is correct
18 Correct 1901 ms 23472 KB Output is correct
19 Correct 911 ms 20500 KB Output is correct
20 Correct 1430 ms 22060 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 3 ms 408 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 4 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 1239 ms 22664 KB Output is correct
12 Correct 1354 ms 22208 KB Output is correct
13 Correct 1190 ms 21304 KB Output is correct
14 Correct 1244 ms 21436 KB Output is correct
15 Correct 1485 ms 22500 KB Output is correct
16 Correct 1100 ms 21572 KB Output is correct
17 Correct 1061 ms 21604 KB Output is correct
18 Correct 1901 ms 23472 KB Output is correct
19 Correct 911 ms 20500 KB Output is correct
20 Correct 1430 ms 22060 KB Output is correct
21 Correct 1386 ms 22328 KB Output is correct
22 Correct 1467 ms 22372 KB Output is correct
23 Correct 1214 ms 21304 KB Output is correct
24 Correct 1081 ms 21084 KB Output is correct
25 Correct 1645 ms 23092 KB Output is correct
26 Correct 1121 ms 21448 KB Output is correct
27 Correct 1085 ms 21308 KB Output is correct
28 Correct 1935 ms 23644 KB Output is correct
29 Correct 955 ms 19616 KB Output is correct
30 Correct 1598 ms 21696 KB Output is correct
31 Correct 1177 ms 21572 KB Output is correct
32 Correct 1347 ms 21368 KB Output is correct
33 Correct 1048 ms 20036 KB Output is correct
34 Correct 1038 ms 20216 KB Output is correct
35 Correct 1118 ms 20632 KB Output is correct
36 Correct 728 ms 19064 KB Output is correct
37 Correct 1147 ms 20928 KB Output is correct
38 Correct 956 ms 18880 KB Output is correct
39 Correct 1010 ms 19908 KB Output is correct
40 Correct 1062 ms 19408 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 3 ms 408 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 4 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 1623 ms 4232 KB Output is correct
12 Correct 1652 ms 6020 KB Output is correct
13 Correct 1623 ms 5800 KB Output is correct
14 Correct 1636 ms 5776 KB Output is correct
15 Correct 1661 ms 5872 KB Output is correct
16 Correct 1630 ms 5880 KB Output is correct
17 Correct 1646 ms 5788 KB Output is correct
18 Correct 1663 ms 6136 KB Output is correct
19 Correct 1601 ms 5724 KB Output is correct
20 Correct 1627 ms 5904 KB Output is correct
21 Correct 1657 ms 6012 KB Output is correct
22 Correct 1662 ms 5784 KB Output is correct
23 Correct 1628 ms 5772 KB Output is correct
24 Correct 1628 ms 5880 KB Output is correct
25 Correct 1676 ms 5824 KB Output is correct
26 Correct 1594 ms 5808 KB Output is correct
27 Correct 1627 ms 5896 KB Output is correct
28 Correct 1616 ms 5624 KB Output is correct
29 Correct 1651 ms 5812 KB Output is correct
30 Correct 1617 ms 5772 KB Output is correct
31 Correct 1683 ms 5776 KB Output is correct
32 Correct 1641 ms 5768 KB Output is correct
33 Correct 1629 ms 5852 KB Output is correct
34 Correct 1604 ms 5752 KB Output is correct
35 Correct 1678 ms 5768 KB Output is correct
36 Correct 1654 ms 5780 KB Output is correct
37 Correct 1666 ms 5772 KB Output is correct
38 Correct 1643 ms 5768 KB Output is correct
39 Correct 1660 ms 5752 KB Output is correct
40 Correct 1657 ms 5756 KB Output is correct

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 3 ms 408 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 4 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 1239 ms 22664 KB Output is correct
12 Correct 1354 ms 22208 KB Output is correct
13 Correct 1190 ms 21304 KB Output is correct
14 Correct 1244 ms 21436 KB Output is correct
15 Correct 1485 ms 22500 KB Output is correct
16 Correct 1100 ms 21572 KB Output is correct
17 Correct 1061 ms 21604 KB Output is correct
18 Correct 1901 ms 23472 KB Output is correct
19 Correct 911 ms 20500 KB Output is correct
20 Correct 1430 ms 22060 KB Output is correct
21 Correct 1386 ms 22328 KB Output is correct
22 Correct 1467 ms 22372 KB Output is correct
23 Correct 1214 ms 21304 KB Output is correct
24 Correct 1081 ms 21084 KB Output is correct
25 Correct 1645 ms 23092 KB Output is correct
26 Correct 1121 ms 21448 KB Output is correct
27 Correct 1085 ms 21308 KB Output is correct
28 Correct 1935 ms 23644 KB Output is correct
29 Correct 955 ms 19616 KB Output is correct
30 Correct 1598 ms 21696 KB Output is correct
31 Correct 1177 ms 21572 KB Output is correct
32 Correct 1347 ms 21368 KB Output is correct
33 Correct 1048 ms 20036 KB Output is correct
34 Correct 1038 ms 20216 KB Output is correct
35 Correct 1118 ms 20632 KB Output is correct
36 Correct 728 ms 19064 KB Output is correct
37 Correct 1147 ms 20928 KB Output is correct
38 Correct 956 ms 18880 KB Output is correct
39 Correct 1010 ms 19908 KB Output is correct
40 Correct 1062 ms 19408 KB Output is correct
41 Correct 1623 ms 4232 KB Output is correct
42 Correct 1652 ms 6020 KB Output is correct
43 Correct 1623 ms 5800 KB Output is correct
44 Correct 1636 ms 5776 KB Output is correct
45 Correct 1661 ms 5872 KB Output is correct
46 Correct 1630 ms 5880 KB Output is correct
47 Correct 1646 ms 5788 KB Output is correct
48 Correct 1663 ms 6136 KB Output is correct
49 Correct 1601 ms 5724 KB Output is correct
50 Correct 1627 ms 5904 KB Output is correct
51 Correct 1657 ms 6012 KB Output is correct
52 Correct 1662 ms 5784 KB Output is correct
53 Correct 1628 ms 5772 KB Output is correct
54 Correct 1628 ms 5880 KB Output is correct
55 Correct 1676 ms 5824 KB Output is correct
56 Correct 1594 ms 5808 KB Output is correct
57 Correct 1627 ms 5896 KB Output is correct
58 Correct 1616 ms 5624 KB Output is correct
59 Correct 1651 ms 5812 KB Output is correct
60 Correct 1617 ms 5772 KB Output is correct
61 Correct 1683 ms 5776 KB Output is correct
62 Correct 1641 ms 5768 KB Output is correct
63 Correct 1629 ms 5852 KB Output is correct
64 Correct 1604 ms 5752 KB Output is correct
65 Correct 1678 ms 5768 KB Output is correct
66 Correct 1654 ms 5780 KB Output is correct
67 Correct 1666 ms 5772 KB Output is correct
68 Correct 1643 ms 5768 KB Output is correct
69 Correct 1660 ms 5752 KB Output is correct
70 Correct 1657 ms 5756 KB Output is correct
71 Execution timed out 2033 ms 39868 KB Time limit exceeded
72 Halted 0 ms 0 KB -