oj.uz

Submission #722173

# Submission time Handle Problem Language Result Execution time Memory
722173 2023-04-11T13:39:58 Z Jarif_Rahman Genetics (BOI18_genetics) C++17
100 / 100
 1853 ms 33316 KB 
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int next(int a, int b){
    return uniform_int_distribution<int>(a, b)(rng);
}

int n, m, k;
bitset<4100> candidate;
char s[4100][4100];
int cnt[4100][4];
int dna[255];

int comp(int a, int b){
    int c = 0;
    for(int i = 0; i < m; i++) if(s[a][i] != s[b][i]) c++;
    return c;
}

int ans = -1;
void dfs(int nd){
    if(ans != -1) return;
    if(!candidate[nd]) return;
    int nxt = -1;
    bool ok = 1;
    for(int i = 0; i < n; i++) if(i != nd && candidate[i]){
        int c = comp(i, nd);
        if(c == k){
            nxt = i;
            if(!ok){
                dfs(i);
                break;
            }
        }
        else{
            ok = 0;
            candidate[nd] = 0;
            candidate[i] = 0;
            if(nxt != -1){
                dfs(nxt);
                break;
            }
        }
    }
    if(!ok) return;
    for(int i = 0; i < n; i++) if(i != nd && !candidate[i]){
        int c = comp(i, nd);
        if(c != k){
            ok = 0;
            break;
        }
    }

    if(ok) ans = nd;
    else candidate[nd] = 0, dfs(nxt);
}

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

    dna['A'] = 0, dna['T'] = 1, dna['C'] = 2, dna['G'] = 3;

    cin >> n >> m >> k;
    candidate.flip();

    for(int i = 0; i < n; i++) for(int j = 0; j < m; j++) cin >> s[i][j];

    for(int T = 0; T  <= 5; T++){
        vector<int> cur;
        vector<bool> in(n, 0);
        for(int i = 0; i < n; i++){
            if(T == 0 || next(0, 1) == 1) in[i] = 1, cur.pb(i);
        }
        if(cur.empty()){
            cur = {0};
            in[0] = 1;
        }

        for(int i: cur) for(int j = 0; j < m; j++){
            if(i == cur[0]) cnt[j][0] = 0, cnt[j][1] = 0, cnt[j][2] = 0, cnt[j][3] = 0;
            cnt[j][dna[s[i][j]]]++;
        }

        for(int i = 0; i < n; i++){
            int c = 0;
            for(int j = 0; j < m; j++) for(int x = 0; x < 4; x++) if(x != dna[s[i][j]]) c+=cnt[j][x];
            if(c != k*cur.size()-k*in[i]) candidate[i] = 0;
        }
    }

    for(int i = 0; i < n; i++) if(candidate[i]){
        dfs(i);
        break;
    }

    cout << ans+1 << "\n";
}

Compilation message

genetics.cpp: In function 'int main()':
genetics.cpp:88:30: warning: array subscript has type 'char' [-Wchar-subscripts]
   88 |             cnt[j][dna[s[i][j]]]++;
      |                        ~~~~~~^
genetics.cpp:93:85: warning: array subscript has type 'char' [-Wchar-subscripts]
   93 |             for(int j = 0; j < m; j++) for(int x = 0; x < 4; x++) if(x != dna[s[i][j]]) c+=cnt[j][x];
      |                                                                               ~~~~~~^
genetics.cpp:94:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |             if(c != k*cur.size()-k*in[i]) candidate[i] = 0;
      |                ~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 2 ms 724 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 660 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 2 ms 724 KB Output is correct
13 Correct 1 ms 724 KB Output is correct
14 Correct 1 ms 724 KB Output is correct
15 Correct 2 ms 724 KB Output is correct
16 Correct 1 ms 724 KB Output is correct
17 Correct 1 ms 340 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 214 ms 6388 KB Output is correct
2 Correct 280 ms 7576 KB Output is correct
3 Correct 281 ms 7372 KB Output is correct
4 Correct 64 ms 4948 KB Output is correct
5 Correct 268 ms 7532 KB Output is correct
6 Correct 284 ms 7580 KB Output is correct
7 Correct 115 ms 3356 KB Output is correct
8 Correct 113 ms 3412 KB Output is correct
9 Correct 252 ms 7292 KB Output is correct
10 Correct 253 ms 7244 KB Output is correct
11 Correct 221 ms 6432 KB Output is correct
12 Correct 246 ms 6384 KB Output is correct
13 Correct 225 ms 6432 KB Output is correct
14 Correct 190 ms 5588 KB Output is correct
15 Correct 184 ms 5640 KB Output is correct
16 Correct 196 ms 6292 KB Output is correct
17 Correct 262 ms 7224 KB Output is correct
18 Correct 261 ms 7220 KB Output is correct
19 Correct 266 ms 7280 KB Output is correct
20 Correct 264 ms 7184 KB Output is correct
21 Correct 260 ms 7372 KB Output is correct
22 Correct 267 ms 7120 KB Output is correct
23 Correct 253 ms 7144 KB Output is correct
24 Correct 273 ms 7232 KB Output is correct
25 Correct 272 ms 7188 KB Output is correct
26 Correct 260 ms 7244 KB Output is correct
27 Correct 272 ms 7204 KB Output is correct
28 Correct 264 ms 7192 KB Output is correct
29 Correct 256 ms 7240 KB Output is correct
30 Correct 279 ms 7624 KB Output is correct
31 Correct 261 ms 7584 KB Output is correct
32 Correct 259 ms 7632 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 1 ms 724 KB Output is correct
35 Correct 1 ms 340 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 214 ms 6388 KB Output is correct
2 Correct 280 ms 7576 KB Output is correct
3 Correct 281 ms 7372 KB Output is correct
4 Correct 64 ms 4948 KB Output is correct
5 Correct 268 ms 7532 KB Output is correct
6 Correct 284 ms 7580 KB Output is correct
7 Correct 115 ms 3356 KB Output is correct
8 Correct 113 ms 3412 KB Output is correct
9 Correct 252 ms 7292 KB Output is correct
10 Correct 253 ms 7244 KB Output is correct
11 Correct 221 ms 6432 KB Output is correct
12 Correct 246 ms 6384 KB Output is correct
13 Correct 225 ms 6432 KB Output is correct
14 Correct 190 ms 5588 KB Output is correct
15 Correct 184 ms 5640 KB Output is correct
16 Correct 196 ms 6292 KB Output is correct
17 Correct 262 ms 7224 KB Output is correct
18 Correct 261 ms 7220 KB Output is correct
19 Correct 266 ms 7280 KB Output is correct
20 Correct 264 ms 7184 KB Output is correct
21 Correct 260 ms 7372 KB Output is correct
22 Correct 267 ms 7120 KB Output is correct
23 Correct 253 ms 7144 KB Output is correct
24 Correct 273 ms 7232 KB Output is correct
25 Correct 272 ms 7188 KB Output is correct
26 Correct 260 ms 7244 KB Output is correct
27 Correct 272 ms 7204 KB Output is correct
28 Correct 264 ms 7192 KB Output is correct
29 Correct 256 ms 7240 KB Output is correct
30 Correct 279 ms 7624 KB Output is correct
31 Correct 261 ms 7584 KB Output is correct
32 Correct 259 ms 7632 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 1 ms 724 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1175 ms 14796 KB Output is correct
37 Correct 1338 ms 33296 KB Output is correct
38 Correct 1319 ms 32540 KB Output is correct
39 Correct 493 ms 20172 KB Output is correct
40 Correct 1331 ms 33240 KB Output is correct
41 Correct 679 ms 16812 KB Output is correct
42 Correct 667 ms 16904 KB Output is correct
43 Correct 949 ms 25984 KB Output is correct
44 Correct 1354 ms 33296 KB Output is correct
45 Correct 1341 ms 33316 KB Output is correct
46 Correct 1360 ms 33308 KB Output is correct
47 Correct 1184 ms 29140 KB Output is correct
48 Correct 1178 ms 29216 KB Output is correct
49 Correct 1022 ms 25040 KB Output is correct
50 Correct 1004 ms 25036 KB Output is correct
51 Correct 1132 ms 28204 KB Output is correct
52 Correct 1296 ms 32604 KB Output is correct
53 Correct 1318 ms 32400 KB Output is correct
54 Correct 1270 ms 32084 KB Output is correct
55 Correct 1259 ms 32084 KB Output is correct
56 Correct 1287 ms 32204 KB Output is correct
57 Correct 1318 ms 32552 KB Output is correct
58 Correct 1309 ms 32588 KB Output is correct
59 Correct 1306 ms 32456 KB Output is correct
60 Correct 1300 ms 32548 KB Output is correct
61 Correct 1307 ms 32344 KB Output is correct
62 Correct 1299 ms 32316 KB Output is correct
63 Correct 1303 ms 32716 KB Output is correct
64 Correct 1313 ms 32556 KB Output is correct
65 Correct 1309 ms 32280 KB Output is correct
66 Correct 1306 ms 32412 KB Output is correct
67 Correct 1267 ms 32552 KB Output is correct
68 Correct 1305 ms 32528 KB Output is correct
69 Correct 1309 ms 32420 KB Output is correct
70 Correct 1394 ms 32480 KB Output is correct
71 Correct 1382 ms 32340 KB Output is correct
72 Correct 1389 ms 32596 KB Output is correct
73 Correct 1391 ms 32380 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 2 ms 728 KB Output is correct
76 Correct 1 ms 340 KB Output is correct

Subtask #4
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 2 ms 724 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 660 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 2 ms 724 KB Output is correct
13 Correct 1 ms 724 KB Output is correct
14 Correct 1 ms 724 KB Output is correct
15 Correct 2 ms 724 KB Output is correct
16 Correct 1 ms 724 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 214 ms 6388 KB Output is correct
19 Correct 280 ms 7576 KB Output is correct
20 Correct 281 ms 7372 KB Output is correct
21 Correct 64 ms 4948 KB Output is correct
22 Correct 268 ms 7532 KB Output is correct
23 Correct 284 ms 7580 KB Output is correct
24 Correct 115 ms 3356 KB Output is correct
25 Correct 113 ms 3412 KB Output is correct
26 Correct 252 ms 7292 KB Output is correct
27 Correct 253 ms 7244 KB Output is correct
28 Correct 221 ms 6432 KB Output is correct
29 Correct 246 ms 6384 KB Output is correct
30 Correct 225 ms 6432 KB Output is correct
31 Correct 190 ms 5588 KB Output is correct
32 Correct 184 ms 5640 KB Output is correct
33 Correct 196 ms 6292 KB Output is correct
34 Correct 262 ms 7224 KB Output is correct
35 Correct 261 ms 7220 KB Output is correct
36 Correct 266 ms 7280 KB Output is correct
37 Correct 264 ms 7184 KB Output is correct
38 Correct 260 ms 7372 KB Output is correct
39 Correct 267 ms 7120 KB Output is correct
40 Correct 253 ms 7144 KB Output is correct
41 Correct 273 ms 7232 KB Output is correct
42 Correct 272 ms 7188 KB Output is correct
43 Correct 260 ms 7244 KB Output is correct
44 Correct 272 ms 7204 KB Output is correct
45 Correct 264 ms 7192 KB Output is correct
46 Correct 256 ms 7240 KB Output is correct
47 Correct 279 ms 7624 KB Output is correct
48 Correct 261 ms 7584 KB Output is correct
49 Correct 259 ms 7632 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 1 ms 724 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1175 ms 14796 KB Output is correct
54 Correct 1338 ms 33296 KB Output is correct
55 Correct 1319 ms 32540 KB Output is correct
56 Correct 493 ms 20172 KB Output is correct
57 Correct 1331 ms 33240 KB Output is correct
58 Correct 679 ms 16812 KB Output is correct
59 Correct 667 ms 16904 KB Output is correct
60 Correct 949 ms 25984 KB Output is correct
61 Correct 1354 ms 33296 KB Output is correct
62 Correct 1341 ms 33316 KB Output is correct
63 Correct 1360 ms 33308 KB Output is correct
64 Correct 1184 ms 29140 KB Output is correct
65 Correct 1178 ms 29216 KB Output is correct
66 Correct 1022 ms 25040 KB Output is correct
67 Correct 1004 ms 25036 KB Output is correct
68 Correct 1132 ms 28204 KB Output is correct
69 Correct 1296 ms 32604 KB Output is correct
70 Correct 1318 ms 32400 KB Output is correct
71 Correct 1270 ms 32084 KB Output is correct
72 Correct 1259 ms 32084 KB Output is correct
73 Correct 1287 ms 32204 KB Output is correct
74 Correct 1318 ms 32552 KB Output is correct
75 Correct 1309 ms 32588 KB Output is correct
76 Correct 1306 ms 32456 KB Output is correct
77 Correct 1300 ms 32548 KB Output is correct
78 Correct 1307 ms 32344 KB Output is correct
79 Correct 1299 ms 32316 KB Output is correct
80 Correct 1303 ms 32716 KB Output is correct
81 Correct 1313 ms 32556 KB Output is correct
82 Correct 1309 ms 32280 KB Output is correct
83 Correct 1306 ms 32412 KB Output is correct
84 Correct 1267 ms 32552 KB Output is correct
85 Correct 1305 ms 32528 KB Output is correct
86 Correct 1309 ms 32420 KB Output is correct
87 Correct 1394 ms 32480 KB Output is correct
88 Correct 1382 ms 32340 KB Output is correct
89 Correct 1389 ms 32596 KB Output is correct
90 Correct 1391 ms 32380 KB Output is correct
91 Correct 1 ms 340 KB Output is correct
92 Correct 2 ms 728 KB Output is correct
93 Correct 1 ms 340 KB Output is correct
94 Correct 1605 ms 31484 KB Output is correct
95 Correct 1549 ms 33292 KB Output is correct
96 Correct 1597 ms 32672 KB Output is correct
97 Correct 861 ms 17996 KB Output is correct
98 Correct 580 ms 20076 KB Output is correct
99 Correct 1421 ms 33256 KB Output is correct
100 Correct 835 ms 16876 KB Output is correct
101 Correct 805 ms 16712 KB Output is correct
102 Correct 1185 ms 25940 KB Output is correct
103 Correct 1432 ms 33228 KB Output is correct
104 Correct 1593 ms 33236 KB Output is correct
105 Correct 1669 ms 33232 KB Output is correct
106 Correct 1853 ms 31576 KB Output is correct
107 Correct 1205 ms 29136 KB Output is correct
108 Correct 1073 ms 25036 KB Output is correct
109 Correct 1435 ms 28712 KB Output is correct
110 Correct 1336 ms 27800 KB Output is correct
111 Correct 1592 ms 33260 KB Output is correct
112 Correct 1711 ms 32808 KB Output is correct
113 Correct 1540 ms 32088 KB Output is correct
114 Correct 1375 ms 32088 KB Output is correct
115 Correct 1552 ms 32088 KB Output is correct
116 Correct 1659 ms 32780 KB Output is correct
117 Correct 1670 ms 32808 KB Output is correct
118 Correct 1701 ms 32824 KB Output is correct
119 Correct 1693 ms 32724 KB Output is correct
120 Correct 1775 ms 32840 KB Output is correct
121 Correct 1499 ms 29136 KB Output is correct
122 Correct 1513 ms 33296 KB Output is correct
123 Correct 1493 ms 32492 KB Output is correct
124 Correct 1 ms 336 KB Output is correct
125 Correct 2 ms 728 KB Output is correct
126 Correct 2 ms 336 KB Output is correct