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Submission #979896

# Submission time Handle Problem Language Result Execution time Memory
979896 2024-05-11T15:16:05 Z vjudge1 Genetics (BOI18_genetics) C++17
100 / 100
 843 ms 83388 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;

const int maxN  = 4'123;

const ll Mod    = 1'696'969'997;
const ll maxW   = 1'234'567;

mt19937_64 rng(Mod);
uniform_int_distribution<ll> uid(1, maxW);

ll madd(ll x, ll y) { return (x + y) % Mod; }
ll msub(ll x, ll y) { return (x - y + Mod) % Mod; }
ll mmul(ll x, ll y) { return (x * y) % Mod; }

char id[256];

int N, M, K;
int A[maxN][maxN];
ll sum_w, row_w[maxN];
ll col_sum[4][maxN];

int main() {
    id['A'] = 0; id['C'] = 1; id['G'] = 2; id['T'] = 3;

    scanf("%d %d %d", &N, &M, &K);
    char buf;
    for (int i = 1; i <= N; i++) {
        row_w[i] = uid(rng);
        sum_w = madd(sum_w, row_w[i]);

        for (int j = 1; j <= M; j++) {
            scanf(" %c", &buf);
            A[i][j] = id[buf];
        }
    }

    for (int c = 0; c < 4; c++) {
        for (int i = 1; i <= N; i++) {
            for (int j = 1; j <= M; j++) {
                if (A[i][j] == c) col_sum[c][j] = madd(col_sum[c][j], row_w[i]);
            }
        }
    }

    for (int r = 1; r <= N; r++) {
        ll target = mmul(M - K, msub(sum_w, row_w[r])); // must match at M - K positions

        ll cur = 0;
        for (int c = 1; c <= M; c++) {
            cur = madd(cur, msub(col_sum[A[r][c]][c], row_w[r]));
        }

        if (target == cur) {
            printf("%d\n", r);
            exit(0);
        }
    }
}

Compilation message

genetics.cpp: In function 'int main()':
genetics.cpp:36:26: warning: array subscript has type 'char' [-Wchar-subscripts]
   36 |             A[i][j] = id[buf];
      |                          ^~~
genetics.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |     scanf("%d %d %d", &N, &M, &K);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
genetics.cpp:35:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |             scanf(" %c", &buf);
      |             ~~~~~^~~~~~~~~~~~~

Subtask #1
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 126 ms 27588 KB Output is correct
2 Correct 136 ms 34356 KB Output is correct
3 Correct 154 ms 32340 KB Output is correct
4 Correct 34 ms 21596 KB Output is correct
5 Correct 147 ms 34532 KB Output is correct
6 Correct 175 ms 34388 KB Output is correct
7 Correct 66 ms 16192 KB Output is correct
8 Correct 65 ms 16192 KB Output is correct
9 Correct 134 ms 32088 KB Output is correct
10 Correct 142 ms 32084 KB Output is correct
11 Correct 125 ms 27840 KB Output is correct
12 Correct 117 ms 27460 KB Output is correct
13 Correct 119 ms 27592 KB Output is correct
14 Correct 109 ms 25176 KB Output is correct
15 Correct 108 ms 25036 KB Output is correct
16 Correct 103 ms 27212 KB Output is correct
17 Correct 148 ms 32064 KB Output is correct
18 Correct 137 ms 32060 KB Output is correct
19 Correct 152 ms 32076 KB Output is correct
20 Correct 140 ms 32084 KB Output is correct
21 Correct 145 ms 32084 KB Output is correct
22 Correct 148 ms 32068 KB Output is correct
23 Correct 148 ms 32084 KB Output is correct
24 Correct 150 ms 32084 KB Output is correct
25 Correct 144 ms 32340 KB Output is correct
26 Correct 142 ms 32084 KB Output is correct
27 Correct 143 ms 32188 KB Output is correct
28 Correct 141 ms 31968 KB Output is correct
29 Correct 146 ms 32084 KB Output is correct
30 Correct 132 ms 34252 KB Output is correct
31 Correct 135 ms 34392 KB Output is correct
32 Correct 154 ms 34260 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 126 ms 27588 KB Output is correct
2 Correct 136 ms 34356 KB Output is correct
3 Correct 154 ms 32340 KB Output is correct
4 Correct 34 ms 21596 KB Output is correct
5 Correct 147 ms 34532 KB Output is correct
6 Correct 175 ms 34388 KB Output is correct
7 Correct 66 ms 16192 KB Output is correct
8 Correct 65 ms 16192 KB Output is correct
9 Correct 134 ms 32088 KB Output is correct
10 Correct 142 ms 32084 KB Output is correct
11 Correct 125 ms 27840 KB Output is correct
12 Correct 117 ms 27460 KB Output is correct
13 Correct 119 ms 27592 KB Output is correct
14 Correct 109 ms 25176 KB Output is correct
15 Correct 108 ms 25036 KB Output is correct
16 Correct 103 ms 27212 KB Output is correct
17 Correct 148 ms 32064 KB Output is correct
18 Correct 137 ms 32060 KB Output is correct
19 Correct 152 ms 32076 KB Output is correct
20 Correct 140 ms 32084 KB Output is correct
21 Correct 145 ms 32084 KB Output is correct
22 Correct 148 ms 32068 KB Output is correct
23 Correct 148 ms 32084 KB Output is correct
24 Correct 150 ms 32084 KB Output is correct
25 Correct 144 ms 32340 KB Output is correct
26 Correct 142 ms 32084 KB Output is correct
27 Correct 143 ms 32188 KB Output is correct
28 Correct 141 ms 31968 KB Output is correct
29 Correct 146 ms 32084 KB Output is correct
30 Correct 132 ms 34252 KB Output is correct
31 Correct 135 ms 34392 KB Output is correct
32 Correct 154 ms 34260 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 670 ms 74416 KB Output is correct
37 Correct 645 ms 83124 KB Output is correct
38 Correct 806 ms 82236 KB Output is correct
39 Correct 282 ms 63576 KB Output is correct
40 Correct 771 ms 83388 KB Output is correct
41 Correct 390 ms 43604 KB Output is correct
42 Correct 389 ms 43756 KB Output is correct
43 Correct 542 ms 69676 KB Output is correct
44 Correct 734 ms 82892 KB Output is correct
45 Correct 770 ms 83028 KB Output is correct
46 Correct 739 ms 83028 KB Output is correct
47 Correct 682 ms 74416 KB Output is correct
48 Correct 700 ms 74704 KB Output is correct
49 Correct 566 ms 64084 KB Output is correct
50 Correct 622 ms 64312 KB Output is correct
51 Correct 647 ms 71864 KB Output is correct
52 Correct 768 ms 82004 KB Output is correct
53 Correct 761 ms 82144 KB Output is correct
54 Correct 612 ms 81728 KB Output is correct
55 Correct 714 ms 82028 KB Output is correct
56 Correct 700 ms 81860 KB Output is correct
57 Correct 772 ms 82256 KB Output is correct
58 Correct 746 ms 82256 KB Output is correct
59 Correct 738 ms 81976 KB Output is correct
60 Correct 754 ms 82284 KB Output is correct
61 Correct 731 ms 81996 KB Output is correct
62 Correct 716 ms 81972 KB Output is correct
63 Correct 724 ms 82392 KB Output is correct
64 Correct 742 ms 82640 KB Output is correct
65 Correct 766 ms 82188 KB Output is correct
66 Correct 753 ms 81976 KB Output is correct
67 Correct 759 ms 82220 KB Output is correct
68 Correct 786 ms 82252 KB Output is correct
69 Correct 711 ms 81976 KB Output is correct
70 Correct 766 ms 82372 KB Output is correct
71 Correct 754 ms 82392 KB Output is correct
72 Correct 829 ms 82264 KB Output is correct
73 Correct 760 ms 82164 KB Output is correct
74 Correct 1 ms 2396 KB Output is correct
75 Correct 1 ms 2496 KB Output is correct
76 Correct 1 ms 2396 KB Output is correct

Subtask #4
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 126 ms 27588 KB Output is correct
19 Correct 136 ms 34356 KB Output is correct
20 Correct 154 ms 32340 KB Output is correct
21 Correct 34 ms 21596 KB Output is correct
22 Correct 147 ms 34532 KB Output is correct
23 Correct 175 ms 34388 KB Output is correct
24 Correct 66 ms 16192 KB Output is correct
25 Correct 65 ms 16192 KB Output is correct
26 Correct 134 ms 32088 KB Output is correct
27 Correct 142 ms 32084 KB Output is correct
28 Correct 125 ms 27840 KB Output is correct
29 Correct 117 ms 27460 KB Output is correct
30 Correct 119 ms 27592 KB Output is correct
31 Correct 109 ms 25176 KB Output is correct
32 Correct 108 ms 25036 KB Output is correct
33 Correct 103 ms 27212 KB Output is correct
34 Correct 148 ms 32064 KB Output is correct
35 Correct 137 ms 32060 KB Output is correct
36 Correct 152 ms 32076 KB Output is correct
37 Correct 140 ms 32084 KB Output is correct
38 Correct 145 ms 32084 KB Output is correct
39 Correct 148 ms 32068 KB Output is correct
40 Correct 148 ms 32084 KB Output is correct
41 Correct 150 ms 32084 KB Output is correct
42 Correct 144 ms 32340 KB Output is correct
43 Correct 142 ms 32084 KB Output is correct
44 Correct 143 ms 32188 KB Output is correct
45 Correct 141 ms 31968 KB Output is correct
46 Correct 146 ms 32084 KB Output is correct
47 Correct 132 ms 34252 KB Output is correct
48 Correct 135 ms 34392 KB Output is correct
49 Correct 154 ms 34260 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 1 ms 2396 KB Output is correct
52 Correct 1 ms 2396 KB Output is correct
53 Correct 670 ms 74416 KB Output is correct
54 Correct 645 ms 83124 KB Output is correct
55 Correct 806 ms 82236 KB Output is correct
56 Correct 282 ms 63576 KB Output is correct
57 Correct 771 ms 83388 KB Output is correct
58 Correct 390 ms 43604 KB Output is correct
59 Correct 389 ms 43756 KB Output is correct
60 Correct 542 ms 69676 KB Output is correct
61 Correct 734 ms 82892 KB Output is correct
62 Correct 770 ms 83028 KB Output is correct
63 Correct 739 ms 83028 KB Output is correct
64 Correct 682 ms 74416 KB Output is correct
65 Correct 700 ms 74704 KB Output is correct
66 Correct 566 ms 64084 KB Output is correct
67 Correct 622 ms 64312 KB Output is correct
68 Correct 647 ms 71864 KB Output is correct
69 Correct 768 ms 82004 KB Output is correct
70 Correct 761 ms 82144 KB Output is correct
71 Correct 612 ms 81728 KB Output is correct
72 Correct 714 ms 82028 KB Output is correct
73 Correct 700 ms 81860 KB Output is correct
74 Correct 772 ms 82256 KB Output is correct
75 Correct 746 ms 82256 KB Output is correct
76 Correct 738 ms 81976 KB Output is correct
77 Correct 754 ms 82284 KB Output is correct
78 Correct 731 ms 81996 KB Output is correct
79 Correct 716 ms 81972 KB Output is correct
80 Correct 724 ms 82392 KB Output is correct
81 Correct 742 ms 82640 KB Output is correct
82 Correct 766 ms 82188 KB Output is correct
83 Correct 753 ms 81976 KB Output is correct
84 Correct 759 ms 82220 KB Output is correct
85 Correct 786 ms 82252 KB Output is correct
86 Correct 711 ms 81976 KB Output is correct
87 Correct 766 ms 82372 KB Output is correct
88 Correct 754 ms 82392 KB Output is correct
89 Correct 829 ms 82264 KB Output is correct
90 Correct 760 ms 82164 KB Output is correct
91 Correct 1 ms 2396 KB Output is correct
92 Correct 1 ms 2496 KB Output is correct
93 Correct 1 ms 2396 KB Output is correct
94 Correct 701 ms 79936 KB Output is correct
95 Correct 654 ms 83164 KB Output is correct
96 Correct 789 ms 82432 KB Output is correct
97 Correct 454 ms 46420 KB Output is correct
98 Correct 317 ms 63568 KB Output is correct
99 Correct 776 ms 83000 KB Output is correct
100 Correct 390 ms 43828 KB Output is correct
101 Correct 384 ms 43604 KB Output is correct
102 Correct 548 ms 69860 KB Output is correct
103 Correct 760 ms 83056 KB Output is correct
104 Correct 780 ms 83056 KB Output is correct
105 Correct 786 ms 83256 KB Output is correct
106 Correct 755 ms 80008 KB Output is correct
107 Correct 647 ms 74296 KB Output is correct
108 Correct 580 ms 64084 KB Output is correct
109 Correct 661 ms 72016 KB Output is correct
110 Correct 651 ms 71804 KB Output is correct
111 Correct 763 ms 83228 KB Output is correct
112 Correct 753 ms 82448 KB Output is correct
113 Correct 642 ms 82128 KB Output is correct
114 Correct 670 ms 81716 KB Output is correct
115 Correct 764 ms 81924 KB Output is correct
116 Correct 814 ms 82236 KB Output is correct
117 Correct 802 ms 82384 KB Output is correct
118 Correct 832 ms 82448 KB Output is correct
119 Correct 790 ms 82396 KB Output is correct
120 Correct 843 ms 82124 KB Output is correct
121 Correct 739 ms 74288 KB Output is correct
122 Correct 669 ms 82884 KB Output is correct
123 Correct 842 ms 82128 KB Output is correct
124 Correct 1 ms 2396 KB Output is correct
125 Correct 1 ms 2504 KB Output is correct
126 Correct 1 ms 2396 KB Output is correct