Submission #1142643

#	Time	Username	Problem	Language	Result	Execution time	Memory
1142643		mouataz_the_giant	Mutating DNA (IOI21_dna)	C++17	Compilation error	0 ms	0 KiB

dna

#include <bits/stdc++.h>
#include "dna.h"
using namespace std;
void init(string x,string y);
int get_distance(int x,int y);

string u,v;

void init(string a,string b){
    u = a;
    v = b;
}
int get_distance(int x,int y){
    int t1 = 0;
    int t2 = 0;
    int a1 = 0;
    int a2 = 0;
    int c1 = 0;
    int c2 = 0;
    int pot = 0;
    int ans = 0;
    int t_a = 0;
    int a_t = 0;
    int a_c = 0;
    int c_a = 0;
    int t_c = 0;
    int c_t = 0;
    string a1 = u.substr(x,y-x+1);
    string b1 = v.substr(x,y-x+1);
    for(int i = 0;i < a1.length();i++){
        if(a[i] == 'T'){
            t1++;
        }
        if(b[i] == 'T'){
            t2++;
        }
        if(a[i] == 'A'){
            a1++;
        }
        if(b[i] == 'A'){
            a2++;
        }
        if(a[i] == 'C'){
            c1++;
        }
        if(b[i] == 'C'){
            c2++;
        }
        if(a1[i] == 'T' && b1[i] == 'A'){
            t_a++;
        }
        if(a1[i] == 'A' && b1[i] == 'T'){
            a_t++;
        }
        if(a1[i] == 'A' && b1[i] == 'C'){
            a_c++;
        }
        if(a1[i] == 'C' && b1[i] == 'A'){
            c_a++;
        }
        if(a1[i] == 'T' && b1[i] == 'C'){
            t_c++;
        }
        if(a1[i] == 'C' && b1[i] == 'T'){
            c_t++;
        }
    }
    if(((c1 != c2) || (t1 != t2)) || (a1 != a2)){
        return -1;
    }
    ans += min(a_c,c_a);
    ans += min(t_a,a_t);
    ans += min(t_c,c_t);
    pot += max(a_c,c_a) - min(a_c,c_a);
    pot += max(a_t,t_a) - min(a_t,t_a);
    pot += max(t_c,c_t) - min(t_c,c_t);
    ans += (pot/3) * 2;
    return ans;
}

Compilation message (stderr)

dna.cpp: In function 'int get_distance(int, int)':
dna.cpp:28:12: error: conflicting declaration 'std::string a1'
   28 |     string a1 = u.substr(x,y-x+1);
      |            ^~
dna.cpp:16:9: note: previous declaration as 'int a1'
   16 |     int a1 = 0;
      |         ^~
dna.cpp:30:26: error: request for member 'length' in 'a1', which is of non-class type 'int'
   30 |     for(int i = 0;i < a1.length();i++){
      |                          ^~~~~~
dna.cpp:31:12: error: 'a' was not declared in this scope
   31 |         if(a[i] == 'T'){
      |            ^
dna.cpp:34:12: error: 'b' was not declared in this scope
   34 |         if(b[i] == 'T'){
      |            ^
dna.cpp:37:12: error: 'a' was not declared in this scope
   37 |         if(a[i] == 'A'){
      |            ^
dna.cpp:40:12: error: 'b' was not declared in this scope
   40 |         if(b[i] == 'A'){
      |            ^
dna.cpp:43:12: error: 'a' was not declared in this scope
   43 |         if(a[i] == 'C'){
      |            ^
dna.cpp:46:12: error: 'b' was not declared in this scope
   46 |         if(b[i] == 'C'){
      |            ^
dna.cpp:49:14: error: invalid types 'int[int]' for array subscript
   49 |         if(a1[i] == 'T' && b1[i] == 'A'){
      |              ^
dna.cpp:52:14: error: invalid types 'int[int]' for array subscript
   52 |         if(a1[i] == 'A' && b1[i] == 'T'){
      |              ^
dna.cpp:55:14: error: invalid types 'int[int]' for array subscript
   55 |         if(a1[i] == 'A' && b1[i] == 'C'){
      |              ^
dna.cpp:58:14: error: invalid types 'int[int]' for array subscript
   58 |         if(a1[i] == 'C' && b1[i] == 'A'){
      |              ^
dna.cpp:61:14: error: invalid types 'int[int]' for array subscript
   61 |         if(a1[i] == 'T' && b1[i] == 'C'){
      |              ^
dna.cpp:64:14: error: invalid types 'int[int]' for array subscript
   64 |         if(a1[i] == 'C' && b1[i] == 'T'){
      |              ^