Submission #499679

#	Time	Username	Problem	Language	Result	Execution time	Memory
499679		sazid_alam	DNA 돌연변이 (IOI21_dna)	C++17	Compilation error	0 ms	0 KiB

dna

#include "dna.h"
using namespace std;

void init(string a, string b) {
  cin >> a >> b;
}

int get_distance(int x, int y) {
    
  	string a, b;
    init(a, b);

    int p = 0, A[2] = {}, C[2] = {}, T[2] = {};
    for(int i = x - 1; i < y; i++){
        if(a[i] != b[i]) p++;
        if(a[i] == 'A') A[0]++;
        if(b[i] == 'A') A[1]++;
        if(a[i] == 'C') C[0]++;
        if(b[i] == 'C') C[1]++;
        if(a[i] == 'T') T[0]++;
        if(b[i] == 'T') T[1]++;
    }

    if(A[0] != A[1] || C[0] != C[1] || T[0] != T[1]) return -1;

    if(p % 2) return p / 2 + 1;
    else return p / 2;
	return 0;
}

Compilation message (stderr)

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:5:3: error: 'cin' was not declared in this scope
    5 |   cin >> a >> b;
      |   ^~~
dna.cpp:2:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
    1 | #include "dna.h"
  +++ |+#include <iostream>
    2 | using namespace std;