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Submission #203473

# Submission time Handle Problem Language Result Execution time Memory
203473 2020-02-20T21:07:48 Z faremy Genetics (BOI18_genetics) C++14
100 / 100
 1127 ms 543436 KB 
#include <iostream>
#include <algorithm>
#include <cstdlib>


const int MAXN = 4100;
const int MAXT = 16400;


int dna[MAXN][MAXT];
int transpose[MAXT][MAXN];

int randomVector[MAXN];
int randDna[MAXT];
int randDiff[MAXN];


int search(int sequences, int size, int diff)
{
	int sum = 0;
	for (int iSeq = 0; iSeq < sequences; iSeq++)
	{
		randomVector[iSeq] = rand() * rand() * rand();
		sum += (size - diff) * randomVector[iSeq];
	}

	for (int iChar = 0; iChar < size; iChar++)
	{
		randDna[iChar] = 0;
		for (int iSeq = 0; iSeq < sequences; iSeq++)
			randDna[iChar] += transpose[iChar][iSeq] * randomVector[iSeq];
	}

	for (int iSeq = 0; iSeq < sequences; iSeq++)
	{
		randDiff[iSeq] = 0;
		for (int iChar = 0; iChar < size; iChar++)
			randDiff[iSeq] += dna[iSeq][iChar] * randDna[iChar];
	}

	int answer = -1;
	for (int iSeq = 0; iSeq < sequences; iSeq++)
		if (randDiff[iSeq] == sum + diff * randomVector[iSeq])
		{
			if (answer == -1)
				answer = iSeq;
			else
				return -1;
		}

	return answer;
}

int main()
{
	std::ios::sync_with_stdio(false);
	std::cout.tie(nullptr);
	std::cin.tie(nullptr);

	int sequences, size, differences;
	std::cin >> sequences >> size >> differences;

	std::fill_n((int *)dna, MAXN * MAXT, -1);
	std::fill_n((int *)transpose, MAXN * MAXT, -1);

	for (int iSeq = 0; iSeq < sequences; iSeq++)
		for (int iChar = 0; iChar < size; iChar++)
		{
			char elem; std::cin >> elem;
			switch (elem)
			{
			case 'A':
				dna[iSeq][4 * iChar] = 1;
				transpose[4 * iChar][iSeq] = 1;
				break;
			case 'G':
				dna[iSeq][4 * iChar + 1] = 1;
				transpose[4 * iChar + 1][iSeq] = 1;
				break;
			case 'C':
				dna[iSeq][4 * iChar + 2] = 1;
				transpose[4 * iChar + 2][iSeq] = 1;
				break;
			case 'T':
				dna[iSeq][4 * iChar + 3] = 1;
				transpose[4 * iChar + 3][iSeq] = 1;
				break;
			}
		}

	srand(42);
	int answer = search(sequences, 4 * size, 4 * differences);

	while (answer == -1)
		answer = search(sequences, 4 * size, 4 * differences);
	std::cout << answer + 1 << '\n';

	return 0;
}

Subtask #1
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 452 ms 526712 KB Output is correct
2 Correct 299 ms 526708 KB Output is correct
3 Correct 296 ms 526712 KB Output is correct
4 Correct 303 ms 526712 KB Output is correct
5 Correct 297 ms 526716 KB Output is correct
6 Correct 295 ms 526724 KB Output is correct
7 Correct 300 ms 526740 KB Output is correct
8 Correct 294 ms 526712 KB Output is correct
9 Correct 301 ms 526840 KB Output is correct
10 Correct 299 ms 526712 KB Output is correct
11 Correct 294 ms 526712 KB Output is correct
12 Correct 299 ms 526692 KB Output is correct
13 Correct 292 ms 526712 KB Output is correct
14 Correct 299 ms 526712 KB Output is correct
15 Correct 289 ms 526712 KB Output is correct
16 Correct 305 ms 526840 KB Output is correct
17 Correct 297 ms 526712 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 404 ms 529400 KB Output is correct
2 Correct 423 ms 530020 KB Output is correct
3 Correct 422 ms 529740 KB Output is correct
4 Correct 326 ms 527352 KB Output is correct
5 Correct 423 ms 529908 KB Output is correct
6 Correct 421 ms 529912 KB Output is correct
7 Correct 355 ms 528044 KB Output is correct
8 Correct 347 ms 528120 KB Output is correct
9 Correct 435 ms 529604 KB Output is correct
10 Correct 418 ms 529648 KB Output is correct
11 Correct 398 ms 529400 KB Output is correct
12 Correct 397 ms 529272 KB Output is correct
13 Correct 392 ms 529400 KB Output is correct
14 Correct 379 ms 528888 KB Output is correct
15 Correct 382 ms 529016 KB Output is correct
16 Correct 389 ms 529016 KB Output is correct
17 Correct 420 ms 529784 KB Output is correct
18 Correct 433 ms 529876 KB Output is correct
19 Correct 409 ms 529788 KB Output is correct
20 Correct 418 ms 529784 KB Output is correct
21 Correct 420 ms 529784 KB Output is correct
22 Correct 424 ms 529784 KB Output is correct
23 Correct 409 ms 529784 KB Output is correct
24 Correct 461 ms 529912 KB Output is correct
25 Correct 415 ms 529784 KB Output is correct
26 Correct 411 ms 529784 KB Output is correct
27 Correct 427 ms 529656 KB Output is correct
28 Correct 427 ms 529728 KB Output is correct
29 Correct 428 ms 529912 KB Output is correct
30 Correct 422 ms 529876 KB Output is correct
31 Correct 436 ms 530040 KB Output is correct
32 Correct 422 ms 529912 KB Output is correct
33 Correct 301 ms 526676 KB Output is correct
34 Correct 294 ms 526712 KB Output is correct
35 Correct 294 ms 526712 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 404 ms 529400 KB Output is correct
2 Correct 423 ms 530020 KB Output is correct
3 Correct 422 ms 529740 KB Output is correct
4 Correct 326 ms 527352 KB Output is correct
5 Correct 423 ms 529908 KB Output is correct
6 Correct 421 ms 529912 KB Output is correct
7 Correct 355 ms 528044 KB Output is correct
8 Correct 347 ms 528120 KB Output is correct
9 Correct 435 ms 529604 KB Output is correct
10 Correct 418 ms 529648 KB Output is correct
11 Correct 398 ms 529400 KB Output is correct
12 Correct 397 ms 529272 KB Output is correct
13 Correct 392 ms 529400 KB Output is correct
14 Correct 379 ms 528888 KB Output is correct
15 Correct 382 ms 529016 KB Output is correct
16 Correct 389 ms 529016 KB Output is correct
17 Correct 420 ms 529784 KB Output is correct
18 Correct 433 ms 529876 KB Output is correct
19 Correct 409 ms 529788 KB Output is correct
20 Correct 418 ms 529784 KB Output is correct
21 Correct 420 ms 529784 KB Output is correct
22 Correct 424 ms 529784 KB Output is correct
23 Correct 409 ms 529784 KB Output is correct
24 Correct 461 ms 529912 KB Output is correct
25 Correct 415 ms 529784 KB Output is correct
26 Correct 411 ms 529784 KB Output is correct
27 Correct 427 ms 529656 KB Output is correct
28 Correct 427 ms 529728 KB Output is correct
29 Correct 428 ms 529912 KB Output is correct
30 Correct 422 ms 529876 KB Output is correct
31 Correct 436 ms 530040 KB Output is correct
32 Correct 422 ms 529912 KB Output is correct
33 Correct 301 ms 526676 KB Output is correct
34 Correct 294 ms 526712 KB Output is correct
35 Correct 294 ms 526712 KB Output is correct
36 Correct 862 ms 539896 KB Output is correct
37 Correct 972 ms 539896 KB Output is correct
38 Correct 968 ms 540024 KB Output is correct
39 Correct 536 ms 532600 KB Output is correct
40 Correct 988 ms 540152 KB Output is correct
41 Correct 645 ms 534008 KB Output is correct
42 Correct 631 ms 533880 KB Output is correct
43 Correct 793 ms 537592 KB Output is correct
44 Correct 953 ms 540152 KB Output is correct
45 Correct 989 ms 539768 KB Output is correct
46 Correct 972 ms 539892 KB Output is correct
47 Correct 891 ms 540024 KB Output is correct
48 Correct 888 ms 540272 KB Output is correct
49 Correct 802 ms 539200 KB Output is correct
50 Correct 831 ms 539140 KB Output is correct
51 Correct 872 ms 540396 KB Output is correct
52 Correct 982 ms 540052 KB Output is correct
53 Correct 959 ms 539940 KB Output is correct
54 Correct 914 ms 539828 KB Output is correct
55 Correct 923 ms 539764 KB Output is correct
56 Correct 936 ms 539924 KB Output is correct
57 Correct 987 ms 539984 KB Output is correct
58 Correct 975 ms 540116 KB Output is correct
59 Correct 967 ms 540124 KB Output is correct
60 Correct 962 ms 540064 KB Output is correct
61 Correct 943 ms 539992 KB Output is correct
62 Correct 927 ms 540108 KB Output is correct
63 Correct 955 ms 539976 KB Output is correct
64 Correct 936 ms 540032 KB Output is correct
65 Correct 953 ms 540108 KB Output is correct
66 Correct 917 ms 539940 KB Output is correct
67 Correct 988 ms 539848 KB Output is correct
68 Correct 982 ms 539832 KB Output is correct
69 Correct 965 ms 539772 KB Output is correct
70 Correct 947 ms 539956 KB Output is correct
71 Correct 987 ms 540132 KB Output is correct
72 Correct 958 ms 539976 KB Output is correct
73 Correct 958 ms 540116 KB Output is correct
74 Correct 299 ms 526724 KB Output is correct
75 Correct 287 ms 526712 KB Output is correct
76 Correct 296 ms 526772 KB Output is correct

Subtask #4
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 452 ms 526712 KB Output is correct
2 Correct 299 ms 526708 KB Output is correct
3 Correct 296 ms 526712 KB Output is correct
4 Correct 303 ms 526712 KB Output is correct
5 Correct 297 ms 526716 KB Output is correct
6 Correct 295 ms 526724 KB Output is correct
7 Correct 300 ms 526740 KB Output is correct
8 Correct 294 ms 526712 KB Output is correct
9 Correct 301 ms 526840 KB Output is correct
10 Correct 299 ms 526712 KB Output is correct
11 Correct 294 ms 526712 KB Output is correct
12 Correct 299 ms 526692 KB Output is correct
13 Correct 292 ms 526712 KB Output is correct
14 Correct 299 ms 526712 KB Output is correct
15 Correct 289 ms 526712 KB Output is correct
16 Correct 305 ms 526840 KB Output is correct
17 Correct 297 ms 526712 KB Output is correct
18 Correct 404 ms 529400 KB Output is correct
19 Correct 423 ms 530020 KB Output is correct
20 Correct 422 ms 529740 KB Output is correct
21 Correct 326 ms 527352 KB Output is correct
22 Correct 423 ms 529908 KB Output is correct
23 Correct 421 ms 529912 KB Output is correct
24 Correct 355 ms 528044 KB Output is correct
25 Correct 347 ms 528120 KB Output is correct
26 Correct 435 ms 529604 KB Output is correct
27 Correct 418 ms 529648 KB Output is correct
28 Correct 398 ms 529400 KB Output is correct
29 Correct 397 ms 529272 KB Output is correct
30 Correct 392 ms 529400 KB Output is correct
31 Correct 379 ms 528888 KB Output is correct
32 Correct 382 ms 529016 KB Output is correct
33 Correct 389 ms 529016 KB Output is correct
34 Correct 420 ms 529784 KB Output is correct
35 Correct 433 ms 529876 KB Output is correct
36 Correct 409 ms 529788 KB Output is correct
37 Correct 418 ms 529784 KB Output is correct
38 Correct 420 ms 529784 KB Output is correct
39 Correct 424 ms 529784 KB Output is correct
40 Correct 409 ms 529784 KB Output is correct
41 Correct 461 ms 529912 KB Output is correct
42 Correct 415 ms 529784 KB Output is correct
43 Correct 411 ms 529784 KB Output is correct
44 Correct 427 ms 529656 KB Output is correct
45 Correct 427 ms 529728 KB Output is correct
46 Correct 428 ms 529912 KB Output is correct
47 Correct 422 ms 529876 KB Output is correct
48 Correct 436 ms 530040 KB Output is correct
49 Correct 422 ms 529912 KB Output is correct
50 Correct 301 ms 526676 KB Output is correct
51 Correct 294 ms 526712 KB Output is correct
52 Correct 294 ms 526712 KB Output is correct
53 Correct 862 ms 539896 KB Output is correct
54 Correct 972 ms 539896 KB Output is correct
55 Correct 968 ms 540024 KB Output is correct
56 Correct 536 ms 532600 KB Output is correct
57 Correct 988 ms 540152 KB Output is correct
58 Correct 645 ms 534008 KB Output is correct
59 Correct 631 ms 533880 KB Output is correct
60 Correct 793 ms 537592 KB Output is correct
61 Correct 953 ms 540152 KB Output is correct
62 Correct 989 ms 539768 KB Output is correct
63 Correct 972 ms 539892 KB Output is correct
64 Correct 891 ms 540024 KB Output is correct
65 Correct 888 ms 540272 KB Output is correct
66 Correct 802 ms 539200 KB Output is correct
67 Correct 831 ms 539140 KB Output is correct
68 Correct 872 ms 540396 KB Output is correct
69 Correct 982 ms 540052 KB Output is correct
70 Correct 959 ms 539940 KB Output is correct
71 Correct 914 ms 539828 KB Output is correct
72 Correct 923 ms 539764 KB Output is correct
73 Correct 936 ms 539924 KB Output is correct
74 Correct 987 ms 539984 KB Output is correct
75 Correct 975 ms 540116 KB Output is correct
76 Correct 967 ms 540124 KB Output is correct
77 Correct 962 ms 540064 KB Output is correct
78 Correct 943 ms 539992 KB Output is correct
79 Correct 927 ms 540108 KB Output is correct
80 Correct 955 ms 539976 KB Output is correct
81 Correct 936 ms 540032 KB Output is correct
82 Correct 953 ms 540108 KB Output is correct
83 Correct 917 ms 539940 KB Output is correct
84 Correct 988 ms 539848 KB Output is correct
85 Correct 982 ms 539832 KB Output is correct
86 Correct 965 ms 539772 KB Output is correct
87 Correct 947 ms 539956 KB Output is correct
88 Correct 987 ms 540132 KB Output is correct
89 Correct 958 ms 539976 KB Output is correct
90 Correct 958 ms 540116 KB Output is correct
91 Correct 299 ms 526724 KB Output is correct
92 Correct 287 ms 526712 KB Output is correct
93 Correct 296 ms 526772 KB Output is correct
94 Correct 1020 ms 540192 KB Output is correct
95 Correct 1004 ms 540060 KB Output is correct
96 Correct 1057 ms 537612 KB Output is correct
97 Correct 665 ms 535564 KB Output is correct
98 Correct 558 ms 532564 KB Output is correct
99 Correct 984 ms 537160 KB Output is correct
100 Correct 659 ms 534900 KB Output is correct
101 Correct 655 ms 534948 KB Output is correct
102 Correct 832 ms 538024 KB Output is correct
103 Correct 987 ms 537612 KB Output is correct
104 Correct 1069 ms 537728 KB Output is correct
105 Correct 1127 ms 543320 KB Output is correct
106 Correct 1012 ms 542428 KB Output is correct
107 Correct 904 ms 541104 KB Output is correct
108 Correct 798 ms 539040 KB Output is correct
109 Correct 967 ms 541032 KB Output is correct
110 Correct 874 ms 540264 KB Output is correct
111 Correct 990 ms 543096 KB Output is correct
112 Correct 1035 ms 543100 KB Output is correct
113 Correct 972 ms 542556 KB Output is correct
114 Correct 943 ms 542516 KB Output is correct
115 Correct 1008 ms 542408 KB Output is correct
116 Correct 1008 ms 542868 KB Output is correct
117 Correct 1079 ms 543016 KB Output is correct
118 Correct 1057 ms 543044 KB Output is correct
119 Correct 1048 ms 542836 KB Output is correct
120 Correct 1054 ms 543036 KB Output is correct
121 Correct 903 ms 541196 KB Output is correct
122 Correct 960 ms 543436 KB Output is correct
123 Correct 954 ms 542840 KB Output is correct
124 Correct 303 ms 526756 KB Output is correct
125 Correct 287 ms 526716 KB Output is correct
126 Correct 288 ms 526712 KB Output is correct