Submission #437034

#	Time	Username	Problem	Language	Result	Execution time	Memory
437034		WnRS	Mutating DNA (IOI21_dna)	C++17	43 / 100	1596 ms	2424 KiB

dna

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

string q,b;

int get_distance(int x, int y) {
    int cnt=0, a=0,t=0,c=0;
    for(int i = x ; i <= y ; i++) {
        if(q[i] != b[i]) cnt++;
        if(q[i]=='A') a++;
        else if(q[i] == 'T') t++;
        else c++;
        if(b[i]=='A') a--;
        else if(b[i]=='T') t--;
        else c--;
    }
    return (!a&&!t&&!c?(cnt+1)/2:-1);
}

void init(string aa, string bb) {
    q=aa,b=bb;
}

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