Submission #1131102

#	Time	Username	Problem	Language	Result	Execution time	Memory
1131102		ozner77	Mutating DNA (IOI21_dna)	C++20	0 / 100	25 ms	3004 KiB

dna

#define ll long long
#include <bits/stdc++.h>
using namespace std;
int n;
string a1,b1;
vector<int> V;
void init(string a,string b){
    a1=a;b1=b;
    V.push_back(0);
    for(int i=0;i<a1.size();i++){
        if(a1[i]!=b1[i]){
            V.push_back(V[i]+1);
        }else{
            V.push_back(V[i]);
        }
    }
}
int get_distance(int x, int y){
    x++;
    y++;
    int res=V[y]-V[x-1];
    if(res%2==0)return res/2;
    return res/2+1;
}

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