oj.uz

Submission #877582

# Submission time Handle Problem Language Result Execution time Memory
877582 2023-11-23T10:47:33 Z tigar Mutating DNA (IOI21_dna) C++17
100 / 100
 37 ms 7560 KB 
#include "dna.h"
#include <bits/stdc++.h>

using namespace std;

int ac[100010], ca[100010], ab[100010], ba[100010], bc[100010], cb[100010], aa[100010], bb[100010], cc[100010];

void init(string a, string b)
{
    for(int i=0; i<a.size(); i++)
    {
        ca[i+1]=ca[i]; ac[i+1]=ac[i]; ba[i+1]=ba[i];
        ab[i+1]=ab[i]; cb[i+1]=cb[i]; bc[i+1]=bc[i];
        aa[i+1]=aa[i]; bb[i+1]=bb[i]; cc[i+1]=cc[i];
        if(a[i]=='A' and b[i]=='T')ab[i+1]++;
        if(a[i]=='A' and b[i]=='C')ac[i+1]++;
        if(a[i]=='T' and b[i]=='C')bc[i+1]++;
        if(a[i]=='C' and b[i]=='T')cb[i+1]++;
        if(a[i]=='T' and b[i]=='A')ba[i+1]++;
        if(a[i]=='C' and b[i]=='A')ca[i+1]++;
        if(a[i]=='A' and b[i]=='A')aa[i+1]++;
        if(a[i]=='T' and b[i]=='T')bb[i+1]++;
        if(a[i]=='C' and b[i]=='C')cc[i+1]++;
    }
}

int calc(int *niz, int x, int y)
{
    return niz[y]-niz[x-1];
}

int get_distance(int x, int y)
{
    x++; y++;
    if(calc(ab, x, y)+calc(ac, x, y)!=calc(ba, x, y)+calc(ca, x, y))return -1;
    if(calc(ab, x, y)+calc(cb, x, y)!=calc(ba, x, y)+calc(bc, x, y))return -1;
    if(calc(bc, x, y)+calc(ac, x, y)!=calc(cb, x, y)+calc(ca, x, y))return -1;
    int dist=y-x+1;
    dist-=calc(aa, x, y);
    dist-=calc(bb, x, y);
    dist-=calc(cc, x, y);
    int BA=calc(ba, x, y), AB=calc(ab, x, y), BC=calc(bc, x, y), CB=calc(cb, x, y), CA=calc(ca, x, y), AC=calc(ac, x, y);
    int cyc1=min(AB, BA);
    AB-=cyc1; BA-=cyc1; dist-=cyc1;
    int cyc2=min(AC, CA);
    AC-=cyc2; CA-=cyc2; dist-=cyc2;
    int cyc3=min(BC, CB);
    CB-=cyc3; BC-=cyc3; dist-=cyc3;
    if(AB!=BC or BC!=CA or CA!=AB)return -1;
    else dist-=AB;
    if(BA!=AC or AC!=CB or CB!=BA)return -1;
    else dist-=BA;
    return dist;
}

/*int main()
{
    string a, b;
    cin>>a>>b;
    init(a, b);
    int q;cin>>q;
    while(q--)
    {
        int x, y; cin>>x>>y;
        cout<<get_distance(x, y)<<endl;
    }
}*/

Compilation message

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:10:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |     for(int i=0; i<a.size(); i++)
      |                  ~^~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 5660 KB Output is correct
2 Correct 26 ms 7128 KB Output is correct
3 Correct 25 ms 6692 KB Output is correct
4 Correct 25 ms 7160 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 4 ms 4668 KB Output is correct
5 Correct 4 ms 4700 KB Output is correct
6 Correct 4 ms 4640 KB Output is correct
7 Correct 4 ms 4320 KB Output is correct
8 Correct 4 ms 4696 KB Output is correct
9 Correct 3 ms 4680 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 4 ms 4668 KB Output is correct
5 Correct 4 ms 4700 KB Output is correct
6 Correct 4 ms 4640 KB Output is correct
7 Correct 4 ms 4320 KB Output is correct
8 Correct 4 ms 4696 KB Output is correct
9 Correct 3 ms 4680 KB Output is correct
10 Correct 25 ms 7044 KB Output is correct
11 Correct 32 ms 7160 KB Output is correct
12 Correct 27 ms 7452 KB Output is correct
13 Correct 28 ms 7372 KB Output is correct
14 Correct 26 ms 7436 KB Output is correct
15 Correct 25 ms 7464 KB Output is correct
16 Correct 37 ms 7132 KB Output is correct
17 Correct 28 ms 7280 KB Output is correct
18 Correct 25 ms 7308 KB Output is correct
19 Correct 26 ms 7196 KB Output is correct
20 Correct 24 ms 7236 KB Output is correct
21 Correct 24 ms 7436 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 4 ms 4668 KB Output is correct
5 Correct 4 ms 4700 KB Output is correct
6 Correct 4 ms 4640 KB Output is correct
7 Correct 4 ms 4320 KB Output is correct
8 Correct 4 ms 4696 KB Output is correct
9 Correct 3 ms 4680 KB Output is correct
10 Correct 5 ms 4188 KB Output is correct
11 Correct 5 ms 4700 KB Output is correct
12 Correct 4 ms 4444 KB Output is correct
13 Correct 4 ms 4952 KB Output is correct
14 Correct 4 ms 4696 KB Output is correct
15 Correct 3 ms 4700 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 5660 KB Output is correct
2 Correct 26 ms 7128 KB Output is correct
3 Correct 25 ms 6692 KB Output is correct
4 Correct 25 ms 7160 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 4 ms 4668 KB Output is correct
12 Correct 4 ms 4700 KB Output is correct
13 Correct 4 ms 4640 KB Output is correct
14 Correct 4 ms 4320 KB Output is correct
15 Correct 4 ms 4696 KB Output is correct
16 Correct 3 ms 4680 KB Output is correct
17 Correct 25 ms 7044 KB Output is correct
18 Correct 32 ms 7160 KB Output is correct
19 Correct 27 ms 7452 KB Output is correct
20 Correct 28 ms 7372 KB Output is correct
21 Correct 26 ms 7436 KB Output is correct
22 Correct 25 ms 7464 KB Output is correct
23 Correct 37 ms 7132 KB Output is correct
24 Correct 28 ms 7280 KB Output is correct
25 Correct 25 ms 7308 KB Output is correct
26 Correct 26 ms 7196 KB Output is correct
27 Correct 24 ms 7236 KB Output is correct
28 Correct 24 ms 7436 KB Output is correct
29 Correct 5 ms 4188 KB Output is correct
30 Correct 5 ms 4700 KB Output is correct
31 Correct 4 ms 4444 KB Output is correct
32 Correct 4 ms 4952 KB Output is correct
33 Correct 4 ms 4696 KB Output is correct
34 Correct 3 ms 4700 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 28 ms 6688 KB Output is correct
37 Correct 31 ms 7184 KB Output is correct
38 Correct 29 ms 7308 KB Output is correct
39 Correct 27 ms 7440 KB Output is correct
40 Correct 26 ms 7560 KB Output is correct
41 Correct 3 ms 4700 KB Output is correct
42 Correct 31 ms 7256 KB Output is correct
43 Correct 28 ms 7248 KB Output is correct
44 Correct 29 ms 7296 KB Output is correct
45 Correct 25 ms 7200 KB Output is correct
46 Correct 28 ms 7496 KB Output is correct
47 Correct 24 ms 7436 KB Output is correct