Submission #1343724

#	Time	Username	Problem	Language	Result	Execution time	Memory
1343724		ElyesChaabouni	Mutating DNA (IOI21_dna)	C++20	0 / 100	16 ms	2348 KiB

dna

#include <bits/stdc++.h>
using namespace std;
string c,d;
void init(std::string a, std::string b){
    c=a;
    d=b;
    return;
}
int get_distance(int x, int y){
    if(y-x==0){
        if(c[x]==d[x])return 0;
        else return -1;
    }
        int a=0,t=0;
        int a1=0,t1=0;
        for(int i=x;i<=y;i++){
            if(c[i]!=d[i]){
                if(c[i]=='A'){a++;t1++;}
                if(c[i]=='T'){t++;a1++;}
            }
        }
        //a!=t || a1!=t1 ||
        if( a!=a1 || t!=t1)return -1;
        if(a==0 && t==0)return 0;
        else (a+t)/2;

}

Compilation message (stderr)

dna.cpp: In function 'int get_distance(int, int)':
dna.cpp:27:1: warning: control reaches end of non-void function [-Wreturn-type]
   27 | }
      | ^

• Subtask 1: 0 / 21
• Subtask 2: 0 / 22
• Subtask 3: 0 / 13
• Subtask 4: 0 / 28
• Subtask 5: 0 / 16