oj.uz

Submission #612312

# Submission time Handle Problem Language Result Execution time Memory
612312 2022-07-29T12:59:37 Z AmirElarbi Mutating DNA (IOI21_dna) C++17
100 / 100
 62 ms 9728 KB 
#include <bits/stdc++.h>
#define vi vector<int>
#define ve vector
#define ll long long
#define vf vector<float>
#define vll vector<pair<ll,ll>>
#define ii pair<int,int>
#define pll pair<ll,ll>
#define vvi vector<vi>
#define vii vector<ii>
#define gii greater<ii>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF 2e9+5
#define eps 1e-7
#define eps1 1e-25
#define optimise ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define MAX_A 1e5+5
#define V 450
using namespace std;
const int MOD = 1e9;
const int nax = 1e5+5;
//#include "dna.h"
int prefa[3][nax], prefb[3][nax], diff[3][3][nax];
map<char,int> cr;
void init(string a, string b) {
    int n = a.size();
    cr['A'] = 0, cr['T']= 1, cr['C'] = 2;
    for (int i = 0; i < n; ++i)
    {
        prefa[cr[a[i]]][i]++;
        prefb[cr[b[i]]][i]++;
        diff[cr[a[i]]][cr[b[i]]][i]++;
    }
    for (int i = 1; i < n; ++i)
    {
        for (int j = 0; j < 3; ++j)
        {  
            prefa[j][i] += prefa[j][i-1];
            prefb[j][i] += prefb[j][i-1];
        }
        for (int j = 0; j < 3; ++j)
        {
            for (int k = 0; k < 3; ++k)
            {
                diff[j][k][i] += diff[j][k][i-1];
            }
        }
    }

}

int get_distance(int x, int y) {
    for (int i = 0; i < 3; ++i)
    {
        int n1 = prefa[i][y], n2 = prefb[i][y];
        if(x != 0){
            n1 -= prefa[i][x-1],n2 -= prefb[i][x-1];
        }
        if(n1 != n2) return -1;
    }
    int nb = y-x+1, res = 0;
    for (int i = 0; i < 3; ++i)
    {
        for (int j = i; j < 3; ++j)
        {   
            int n1 = diff[i][j][y], n2 = diff[j][i][y];
            if(x != 0){
                n1 -= diff[i][j][x-1], n2 -= diff[j][i][x-1];
            }
            if(i == j){
                nb -= n1;
                continue;
            }
            res += min(n1,n2);
            nb -= min(n1,n2)*2;
        }
    }
    res += (2*nb)/3;
    return res;
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 7968 KB Output is correct
2 Correct 49 ms 9336 KB Output is correct
3 Correct 41 ms 8840 KB Output is correct
4 Correct 44 ms 9400 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 308 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 9 ms 6612 KB Output is correct
5 Correct 8 ms 6868 KB Output is correct
6 Correct 9 ms 6868 KB Output is correct
7 Correct 8 ms 6504 KB Output is correct
8 Correct 9 ms 6848 KB Output is correct
9 Correct 6 ms 6888 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 9 ms 6612 KB Output is correct
5 Correct 8 ms 6868 KB Output is correct
6 Correct 9 ms 6868 KB Output is correct
7 Correct 8 ms 6504 KB Output is correct
8 Correct 9 ms 6848 KB Output is correct
9 Correct 6 ms 6888 KB Output is correct
10 Correct 48 ms 9280 KB Output is correct
11 Correct 40 ms 9352 KB Output is correct
12 Correct 46 ms 9308 KB Output is correct
13 Correct 46 ms 9464 KB Output is correct
14 Correct 45 ms 9716 KB Output is correct
15 Correct 47 ms 9588 KB Output is correct
16 Correct 38 ms 9236 KB Output is correct
17 Correct 36 ms 9332 KB Output is correct
18 Correct 43 ms 9628 KB Output is correct
19 Correct 33 ms 9252 KB Output is correct
20 Correct 51 ms 9368 KB Output is correct
21 Correct 58 ms 9700 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 9 ms 6612 KB Output is correct
5 Correct 8 ms 6868 KB Output is correct
6 Correct 9 ms 6868 KB Output is correct
7 Correct 8 ms 6504 KB Output is correct
8 Correct 9 ms 6848 KB Output is correct
9 Correct 6 ms 6888 KB Output is correct
10 Correct 9 ms 6356 KB Output is correct
11 Correct 9 ms 6872 KB Output is correct
12 Correct 8 ms 6464 KB Output is correct
13 Correct 8 ms 6948 KB Output is correct
14 Correct 9 ms 6868 KB Output is correct
15 Correct 7 ms 6844 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 7968 KB Output is correct
2 Correct 49 ms 9336 KB Output is correct
3 Correct 41 ms 8840 KB Output is correct
4 Correct 44 ms 9400 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 9 ms 6612 KB Output is correct
12 Correct 8 ms 6868 KB Output is correct
13 Correct 9 ms 6868 KB Output is correct
14 Correct 8 ms 6504 KB Output is correct
15 Correct 9 ms 6848 KB Output is correct
16 Correct 6 ms 6888 KB Output is correct
17 Correct 48 ms 9280 KB Output is correct
18 Correct 40 ms 9352 KB Output is correct
19 Correct 46 ms 9308 KB Output is correct
20 Correct 46 ms 9464 KB Output is correct
21 Correct 45 ms 9716 KB Output is correct
22 Correct 47 ms 9588 KB Output is correct
23 Correct 38 ms 9236 KB Output is correct
24 Correct 36 ms 9332 KB Output is correct
25 Correct 43 ms 9628 KB Output is correct
26 Correct 33 ms 9252 KB Output is correct
27 Correct 51 ms 9368 KB Output is correct
28 Correct 58 ms 9700 KB Output is correct
29 Correct 9 ms 6356 KB Output is correct
30 Correct 9 ms 6872 KB Output is correct
31 Correct 8 ms 6464 KB Output is correct
32 Correct 8 ms 6948 KB Output is correct
33 Correct 9 ms 6868 KB Output is correct
34 Correct 7 ms 6844 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 47 ms 8860 KB Output is correct
37 Correct 43 ms 9368 KB Output is correct
38 Correct 53 ms 9392 KB Output is correct
39 Correct 43 ms 9728 KB Output is correct
40 Correct 49 ms 9724 KB Output is correct
41 Correct 9 ms 6852 KB Output is correct
42 Correct 55 ms 9252 KB Output is correct
43 Correct 61 ms 9628 KB Output is correct
44 Correct 43 ms 9580 KB Output is correct
45 Correct 42 ms 9328 KB Output is correct
46 Correct 53 ms 9580 KB Output is correct
47 Correct 46 ms 9616 KB Output is correct