dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:7:2: error: 'n' was not declared in this scope
7 | n = a.length();
| ^
dna.cpp:8:2: error: 'mp' was not declared in this scope
8 | mp['A'] = 0;
| ^~
dna.cpp:12:2: error: 'cnt' was not declared in this scope; did you mean 'int'?
12 | cnt[0][mp[a[0]]][1]++;
| ^~~
| int
dna.cpp:14:2: error: 'ans' was not declared in this scope; did you mean 'abs'?
14 | ans[1] = (a[0] == b[0]) ? 0 : 1;
| ^~~
| abs
dna.cpp: In function 'int get_distance(int, int)':
dna.cpp:32:30: error: 'cnt' was not declared in this scope; did you mean 'int'?
32 | for(int j=0 ; j<3 ; j++) if(cnt[0][j][y]-cnt[0][j][x-1] != cnt[1][j][y]-cnt[1][j][x-1]) return -1;
| ^~~
| int
dna.cpp:34:12: error: 'ans' was not declared in this scope; did you mean 'abs'?
34 | int dif = ans[y] - ans[x-1];
| ^~~
| abs