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Submission #856433

# Submission time Handle Problem Language Result Execution time Memory
856433 2023-10-03T13:20:40 Z andrei_boaca Mutating DNA (IOI21_dna) C++17
100 / 100
 36 ms 10264 KB 
#include "dna.h"
#include <bits/stdc++.h>
//#include "grader.cpp"



using namespace std;
int s[100005][4][4],cnt[4][4],nr[4];
int n;
int toint(char c)
{
    if(c=='A')
        return 1;
    if(c=='C')
        return 2;
    if(c=='T')
        return 3;
}
void init(std::string a, std::string b) {
    n=a.size();
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=3;j++)
            for(int k=1;k<=3;k++)
                s[i][j][k]=s[i-1][j][k];
        int x=toint(a[i-1]);
        int y=toint(b[i-1]);
        s[i][x][y]++;
    }
}

int get_distance(int x, int y) {
    x++;
    y++;
    nr[1]=nr[2]=0;
    nr[3]=0;
    int ans=0;
    for(int i=1;i<=3;i++)
        for(int j=1;j<=3;j++)
        {
            cnt[i][j]=s[y][i][j]-s[x-1][i][j];
            if(i!=j)
                ans+=cnt[i][j];
            nr[i]+=cnt[i][j];
            nr[j]-=cnt[i][j];
        }
    for(int i=1;i<=3;i++)
        if(nr[i]!=0)
            return -1;
    for(int i=1;i<=3;i++)
        for(int j=1;j<=3;j++)
            if(i!=j)
            {
                int val=min(cnt[i][j],cnt[j][i]);
                ans-=val;
                cnt[i][j]-=val;
                cnt[j][i]-=val;
            }
    int t=min(min(cnt[1][2],cnt[2][3]),cnt[3][1]);
    ans-=t;
    cnt[1][2]-=t;
    cnt[2][3]-=t;
    cnt[3][1]-=t;

    t=min(min(cnt[1][3],cnt[2][1]),cnt[3][2]);
    ans-=t;
    cnt[1][3]-=t;
    cnt[2][1]-=t;
    cnt[3][2]-=t;

    return ans;
}

Compilation message

dna.cpp: In function 'int toint(char)':
dna.cpp:18:1: warning: control reaches end of non-void function [-Wreturn-type]
   18 | }
      | ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 9744 KB Output is correct
2 Correct 27 ms 9740 KB Output is correct
3 Correct 29 ms 9204 KB Output is correct
4 Correct 27 ms 9808 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 444 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 7368 KB Output is correct
5 Correct 4 ms 7364 KB Output is correct
6 Correct 4 ms 7260 KB Output is correct
7 Correct 3 ms 6856 KB Output is correct
8 Correct 3 ms 7260 KB Output is correct
9 Correct 3 ms 7260 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 7368 KB Output is correct
5 Correct 4 ms 7364 KB Output is correct
6 Correct 4 ms 7260 KB Output is correct
7 Correct 3 ms 6856 KB Output is correct
8 Correct 3 ms 7260 KB Output is correct
9 Correct 3 ms 7260 KB Output is correct
10 Correct 27 ms 9748 KB Output is correct
11 Correct 27 ms 9816 KB Output is correct
12 Correct 28 ms 9752 KB Output is correct
13 Correct 28 ms 10016 KB Output is correct
14 Correct 28 ms 10264 KB Output is correct
15 Correct 28 ms 10264 KB Output is correct
16 Correct 28 ms 9512 KB Output is correct
17 Correct 29 ms 9760 KB Output is correct
18 Correct 28 ms 10004 KB Output is correct
19 Correct 28 ms 9672 KB Output is correct
20 Correct 26 ms 9752 KB Output is correct
21 Correct 27 ms 10112 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 7368 KB Output is correct
5 Correct 4 ms 7364 KB Output is correct
6 Correct 4 ms 7260 KB Output is correct
7 Correct 3 ms 6856 KB Output is correct
8 Correct 3 ms 7260 KB Output is correct
9 Correct 3 ms 7260 KB Output is correct
10 Correct 3 ms 6744 KB Output is correct
11 Correct 3 ms 7408 KB Output is correct
12 Correct 3 ms 7004 KB Output is correct
13 Correct 4 ms 7260 KB Output is correct
14 Correct 3 ms 7408 KB Output is correct
15 Correct 3 ms 7260 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 9744 KB Output is correct
2 Correct 27 ms 9740 KB Output is correct
3 Correct 29 ms 9204 KB Output is correct
4 Correct 27 ms 9808 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 444 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 3 ms 7368 KB Output is correct
12 Correct 4 ms 7364 KB Output is correct
13 Correct 4 ms 7260 KB Output is correct
14 Correct 3 ms 6856 KB Output is correct
15 Correct 3 ms 7260 KB Output is correct
16 Correct 3 ms 7260 KB Output is correct
17 Correct 27 ms 9748 KB Output is correct
18 Correct 27 ms 9816 KB Output is correct
19 Correct 28 ms 9752 KB Output is correct
20 Correct 28 ms 10016 KB Output is correct
21 Correct 28 ms 10264 KB Output is correct
22 Correct 28 ms 10264 KB Output is correct
23 Correct 28 ms 9512 KB Output is correct
24 Correct 29 ms 9760 KB Output is correct
25 Correct 28 ms 10004 KB Output is correct
26 Correct 28 ms 9672 KB Output is correct
27 Correct 26 ms 9752 KB Output is correct
28 Correct 27 ms 10112 KB Output is correct
29 Correct 3 ms 6744 KB Output is correct
30 Correct 3 ms 7408 KB Output is correct
31 Correct 3 ms 7004 KB Output is correct
32 Correct 4 ms 7260 KB Output is correct
33 Correct 3 ms 7408 KB Output is correct
34 Correct 3 ms 7260 KB Output is correct
35 Correct 0 ms 452 KB Output is correct
36 Correct 31 ms 9200 KB Output is correct
37 Correct 29 ms 9820 KB Output is correct
38 Correct 28 ms 9756 KB Output is correct
39 Correct 28 ms 10256 KB Output is correct
40 Correct 28 ms 10252 KB Output is correct
41 Correct 3 ms 7260 KB Output is correct
42 Correct 27 ms 9760 KB Output is correct
43 Correct 36 ms 10104 KB Output is correct
44 Correct 28 ms 10172 KB Output is correct
45 Correct 27 ms 9752 KB Output is correct
46 Correct 29 ms 10228 KB Output is correct
47 Correct 27 ms 9996 KB Output is correct