oj.uz

Submission #642533

# Submission time Handle Problem Language Result Execution time Memory
642533 2022-09-19T19:08:01 Z Summers Mutating DNA (IOI21_dna) C++17
100 / 100
 43 ms 16372 KB 
#include "dna.h"
#include<bits/stdc++.h>
using namespace std;

long long s[100002][8], pref[100002][4], pref2[100002][4];
void init(std::string a, std::string b) {

    long long i,j;
    for(i=0;i<a.size();i++)
    {
        if(a[i]=='A' && b[i]=='T')s[i][1]++;
        if(a[i]=='T' && b[i]=='A')s[i][2]++;
        if(a[i]=='C' && b[i]=='T')s[i][3]++;
        if(a[i]=='T' && b[i]=='C')s[i][4]++;
        if(a[i]=='A' && b[i]=='C')s[i][5]++;
        if(a[i]=='C' && b[i]=='A')s[i][6]++;

        if(i!=0)for(j=1;j<=6;j++)s[i][j]+=s[i-1][j];

        if(a[i]=='A')pref[i][1]++;
        if(a[i]=='T')pref[i][2]++;
        if(a[i]=='C')pref[i][3]++;

        if(i!=0)for(j=1;j<=3;j++)pref[i][j]+=pref[i-1][j];

        if(b[i]=='A')pref2[i][1]++;
        if(b[i]=='T')pref2[i][2]++;
        if(b[i]=='C')pref2[i][3]++;

        if(i!=0)for(j=1;j<=3;j++)pref2[i][j]+=pref2[i-1][j];
    }
}

int get_distance(int x, int y) {


    long long A=pref[y][1], A2=pref2[y][1];
    if(x>0){A-=pref[x-1][1]; A2-=pref2[x-1][1];}

    long long B=pref[y][2], B2=pref2[y][2];
    if(x>0){B-=pref[x-1][2]; B2-=pref2[x-1][2];}

    long long C=pref[y][3], C2=pref2[y][3];
    if(x>0){C-=pref[x-1][3]; C2-=pref2[x-1][3];}

    if((A!=A2) || (B!=B2 )||(C!=C2))return -1;

    long long AT = s[y][1]-(x>0?s[x-1][1]:0);
    long long TA = s[y][2]-(x>0?s[x-1][2]:0);
    long long CT = s[y][3]-(x>0?s[x-1][3]:0);
    long long TC = s[y][4]-(x>0?s[x-1][4]:0);
    long long AC = s[y][5]-(x>0?s[x-1][5]:0);
    long long CA = s[y][6]-(x>0?s[x-1][6]:0);

   long long ans=0;

   ans+=min(AT,TA)+min(CT,TC)+min(AC,CA);

   AT-=TA;
   if(AT<0)AT=-AT;

   ans+=2*AT;

   return ans;

}

Compilation message

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:9:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for(i=0;i<a.size();i++)
      |             ~^~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 15884 KB Output is correct
2 Correct 37 ms 16028 KB Output is correct
3 Correct 37 ms 14860 KB Output is correct
4 Correct 41 ms 15992 KB Output is correct
5 Correct 0 ms 308 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 8 ms 13396 KB Output is correct
5 Correct 8 ms 13524 KB Output is correct
6 Correct 8 ms 13524 KB Output is correct
7 Correct 9 ms 12604 KB Output is correct
8 Correct 8 ms 13524 KB Output is correct
9 Correct 10 ms 13524 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 8 ms 13396 KB Output is correct
5 Correct 8 ms 13524 KB Output is correct
6 Correct 8 ms 13524 KB Output is correct
7 Correct 9 ms 12604 KB Output is correct
8 Correct 8 ms 13524 KB Output is correct
9 Correct 10 ms 13524 KB Output is correct
10 Correct 42 ms 15852 KB Output is correct
11 Correct 39 ms 16032 KB Output is correct
12 Correct 38 ms 15384 KB Output is correct
13 Correct 43 ms 15824 KB Output is correct
14 Correct 40 ms 16368 KB Output is correct
15 Correct 37 ms 16264 KB Output is correct
16 Correct 38 ms 15392 KB Output is correct
17 Correct 38 ms 15704 KB Output is correct
18 Correct 36 ms 16272 KB Output is correct
19 Correct 32 ms 15340 KB Output is correct
20 Correct 32 ms 15764 KB Output is correct
21 Correct 32 ms 16264 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 8 ms 13396 KB Output is correct
5 Correct 8 ms 13524 KB Output is correct
6 Correct 8 ms 13524 KB Output is correct
7 Correct 9 ms 12604 KB Output is correct
8 Correct 8 ms 13524 KB Output is correct
9 Correct 10 ms 13524 KB Output is correct
10 Correct 8 ms 12372 KB Output is correct
11 Correct 8 ms 13572 KB Output is correct
12 Correct 8 ms 12628 KB Output is correct
13 Correct 9 ms 13496 KB Output is correct
14 Correct 9 ms 13524 KB Output is correct
15 Correct 8 ms 13504 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 15884 KB Output is correct
2 Correct 37 ms 16028 KB Output is correct
3 Correct 37 ms 14860 KB Output is correct
4 Correct 41 ms 15992 KB Output is correct
5 Correct 0 ms 308 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 0 ms 308 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 8 ms 13396 KB Output is correct
12 Correct 8 ms 13524 KB Output is correct
13 Correct 8 ms 13524 KB Output is correct
14 Correct 9 ms 12604 KB Output is correct
15 Correct 8 ms 13524 KB Output is correct
16 Correct 10 ms 13524 KB Output is correct
17 Correct 42 ms 15852 KB Output is correct
18 Correct 39 ms 16032 KB Output is correct
19 Correct 38 ms 15384 KB Output is correct
20 Correct 43 ms 15824 KB Output is correct
21 Correct 40 ms 16368 KB Output is correct
22 Correct 37 ms 16264 KB Output is correct
23 Correct 38 ms 15392 KB Output is correct
24 Correct 38 ms 15704 KB Output is correct
25 Correct 36 ms 16272 KB Output is correct
26 Correct 32 ms 15340 KB Output is correct
27 Correct 32 ms 15764 KB Output is correct
28 Correct 32 ms 16264 KB Output is correct
29 Correct 8 ms 12372 KB Output is correct
30 Correct 8 ms 13572 KB Output is correct
31 Correct 8 ms 12628 KB Output is correct
32 Correct 9 ms 13496 KB Output is correct
33 Correct 9 ms 13524 KB Output is correct
34 Correct 8 ms 13504 KB Output is correct
35 Correct 0 ms 312 KB Output is correct
36 Correct 40 ms 14948 KB Output is correct
37 Correct 40 ms 15948 KB Output is correct
38 Correct 38 ms 15636 KB Output is correct
39 Correct 40 ms 16372 KB Output is correct
40 Correct 41 ms 16368 KB Output is correct
41 Correct 8 ms 13524 KB Output is correct
42 Correct 36 ms 15468 KB Output is correct
43 Correct 37 ms 16360 KB Output is correct
44 Correct 36 ms 16248 KB Output is correct
45 Correct 31 ms 15512 KB Output is correct
46 Correct 35 ms 16352 KB Output is correct
47 Correct 32 ms 16300 KB Output is correct