답안 #438821

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
438821	2021-06-28T17:05:27 Z	snokes	DNA 돌연변이 (IOI21_dna)	C++17	56 / 100	44 ms	5888 KB

dna

#include "dna.h"
#include <bits/stdc++.h>
using namespace std;

const int mxN = 1e5 + 123;
int pref[mxN];
int cntA[mxN][3], cntB[mxN][3], N;
map<char, int> m = {{'A', 0}, {'C', 1}, {'T', 2}};

void init(string a, string b)
{
    //Say a is the 'original'
    assert(a.size() == b.size());
    N = a.size();
    for(int i = 0; i < N;i++)
    {
        for(int j = 0; j < 3;j++)
        {
            cntA[i+1][j] = cntA[i][j];
            cntB[i+1][j] = cntB[i][j];
        }
        ++cntA[i+1][m[a[i]]];
        ++cntB[i+1][m[b[i]]];
        pref[i+1] = pref[i] + (a[i] != b[i]);
    }
}

int get_distance(int L, int R)
{
    ++R;
    bool ok = 1;
    for(int i = 0; i < 3;i++)
        if(cntA[R][i] - cntA[L][i] != cntB[R][i] - cntB[L][i])
            ok = 0;
    if(!ok) return -1;
    int bad = pref[R] - pref[L];
    return (bad + 1) / 2;
}
/*
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    string s, t;
    cin >> s >> t;
    init(s, t);
    int Q;
    cin >> Q;
    while(Q--)
    {
        int a, b;
        cin >> a >> b;
        cout << get_distance(a, b) << "\n";
    }
}
*/

Subtask #1

21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	41 ms	5500 KB	Output is correct
2	Correct	40 ms	5460 KB	Output is correct
3	Correct	44 ms	5236 KB	Output is correct
4	Correct	42 ms	5504 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct

Subtask #2

22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	6 ms	3720 KB	Output is correct
5	Correct	6 ms	3788 KB	Output is correct
6	Correct	6 ms	3788 KB	Output is correct
7	Correct	6 ms	3532 KB	Output is correct
8	Correct	6 ms	3788 KB	Output is correct
9	Correct	5 ms	3788 KB	Output is correct

Subtask #3

13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	6 ms	3720 KB	Output is correct
5	Correct	6 ms	3788 KB	Output is correct
6	Correct	6 ms	3788 KB	Output is correct
7	Correct	6 ms	3532 KB	Output is correct
8	Correct	6 ms	3788 KB	Output is correct
9	Correct	5 ms	3788 KB	Output is correct
10	Correct	40 ms	5512 KB	Output is correct
11	Correct	41 ms	5504 KB	Output is correct
12	Correct	40 ms	5616 KB	Output is correct
13	Correct	40 ms	5756 KB	Output is correct
14	Correct	42 ms	5888 KB	Output is correct
15	Correct	41 ms	5768 KB	Output is correct
16	Correct	37 ms	5648 KB	Output is correct
17	Correct	39 ms	5768 KB	Output is correct
18	Correct	38 ms	5888 KB	Output is correct
19	Correct	36 ms	5752 KB	Output is correct
20	Correct	37 ms	5760 KB	Output is correct
21	Correct	37 ms	5844 KB	Output is correct

Subtask #4

0.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	6 ms	3720 KB	Output is correct
5	Correct	6 ms	3788 KB	Output is correct
6	Correct	6 ms	3788 KB	Output is correct
7	Correct	6 ms	3532 KB	Output is correct
8	Correct	6 ms	3788 KB	Output is correct
9	Correct	5 ms	3788 KB	Output is correct
10	Correct	6 ms	3404 KB	Output is correct
11	Correct	7 ms	3728 KB	Output is correct
12	Incorrect	6 ms	3572 KB	Output isn't correct
13	Halted	0 ms	0 KB	-

Subtask #5

0.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	41 ms	5500 KB	Output is correct
2	Correct	40 ms	5460 KB	Output is correct
3	Correct	44 ms	5236 KB	Output is correct
4	Correct	42 ms	5504 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	6 ms	3720 KB	Output is correct
12	Correct	6 ms	3788 KB	Output is correct
13	Correct	6 ms	3788 KB	Output is correct
14	Correct	6 ms	3532 KB	Output is correct
15	Correct	6 ms	3788 KB	Output is correct
16	Correct	5 ms	3788 KB	Output is correct
17	Correct	40 ms	5512 KB	Output is correct
18	Correct	41 ms	5504 KB	Output is correct
19	Correct	40 ms	5616 KB	Output is correct
20	Correct	40 ms	5756 KB	Output is correct
21	Correct	42 ms	5888 KB	Output is correct
22	Correct	41 ms	5768 KB	Output is correct
23	Correct	37 ms	5648 KB	Output is correct
24	Correct	39 ms	5768 KB	Output is correct
25	Correct	38 ms	5888 KB	Output is correct
26	Correct	36 ms	5752 KB	Output is correct
27	Correct	37 ms	5760 KB	Output is correct
28	Correct	37 ms	5844 KB	Output is correct
29	Correct	6 ms	3404 KB	Output is correct
30	Correct	7 ms	3728 KB	Output is correct
31	Incorrect	6 ms	3572 KB	Output isn't correct
32	Halted	0 ms	0 KB	-