Submission #596780

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
596780	2022-07-15 04:34:58	serize	Mutating DNA (IOI21_dna)	C++17	Compilation error	0 ms	0 KiB

dna

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#include "dna.h"
#include <bits/stdc++.h>
#include <cstdio>
#include <cassert>
#include <string>
#include <vector>
#define all(x) x.begin(),x.end()
using namespace std;
const int MAX = 1e5+2;
vector<int> dif(MAX);
string s1, s2;
void init(std::string a, std::string b) {
    int n = a.size();
    s1 = a, s2 = b;
    for(int i = 1; i <= n; i++){
       dif[i] = (a[i-1]!=b[i-1]);
       dif[i] += dif[i-1];
    }
}
int get_distance(int x, int y) {
  //string cad1 = s1.substr(x,y), cad2 = s2.substr(x,y);
    //sort(all(cad1));
    //sort(all(cad2));
    if(cad1 != cad2) return -1;
    int d = dif[y+1]-dif[x];
    if(d&1) return ((d>>1)+1);
 
 
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Compilation message (stderr)

dna.cpp: In function 'int get_distance(int, int)':
dna.cpp:28:8: error: 'cad1' was not declared in this scope
   28 |     if(cad1 != cad2) return -1;
      |        ^~~~
dna.cpp:28:16: error: 'cad2' was not declared in this scope
   28 |     if(cad1 != cad2) return -1;
      |                ^~~~