Submission #1275440

#	Time	Username	Problem	Language	Result	Execution time	Memory
1275440		k12_khoi	Mutating DNA (IOI21_dna)	C++17	0 / 100	11 ms	2080 KiB

dna

#include "dna.h"

#include <bits/stdc++.h>
using namespace std;

const int N=1e5+5;
char c[]={'A','C','T'};

int n,q,x,y,temp;
int cnt[3],dem[3];
string a,b;

void init(string a,string b)
{
}

int get_distance(int x,int y)
{
    if (a.substr(x,y-x+1)==b.substr(x,y-x+1)) return 0;

    for (int j=0;j<3;j++)
    cnt[j]=dem[j]=0;

    for (int i=x;i<=y;i++)
    for (int j=0;j<3;j++)
    {
        if (a[i]==c[j]) cnt[j]++;
        if (b[i]==c[j]) dem[j]++;
    }

    for (int j=0;j<3;j++)
    if (cnt[j]!=dem[j]) return -1;

    return y-x+1;
}

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