substr, C++ (gcc) - rextester

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//Title of this code

#include <iostream>

using namespace std;

hellobello

valid: lb - one missing o
valid: elo - one missing l

valid: loob - one more plus o

abcdefghij

cdeghij

int search(const string& str, const string& pattern, int maxError) {

for (int i = 0; i < str.length(); ++i) {
        
        int error = 0;
        int missing = 0;
        int plus = 0;
        
        for (int j = 0; j < pattern.length(); ++j) {
            
            if(i + j >= str.length()) {
                ++error;
            } else if ((str[i + j] != pattern[j]) &&  && (str[i + j] != pattern[j + error])) {
                ++error;
                
                
                (str[i + j] != pattern[j - error])
                
                //++missing;
                //++plus;
            } 
            
            if (error > maxError)
                break;
            
            /*
            if (str[i + j] == pattern[j - missing])
                cout << str[i + j] << "-" << pattern[j - missing] << "  ";
            else
                cout << str[i + j] << "-" << pattern[j] << "  ";
                */
            
        }
        //cout << endl;
        
        if (error <= maxError)
            return i + 1;
    }
                
    return -1;
}

int main()
{
    
    //cout << search("hellobello", "elobell", 1);
    
    cout << search("baabbaab", "baabcbaab", 1);
    
    //cout << endl;
    
    //cout << search("abcdefghij", "cdeghij", 1);

}

​x
            } else if ((str[i + j] != pattern[j]) &&  && (str[i + j] != pattern[j + error])) {
 
//Title of this code
​
#include <iostream>
​
using namespace std;
​
​
/*
​
hellobello
​
​
valid: lb - one missing o
valid: elo - one missing l
​
​
valid: loob - one more plus o
​
​
​
abcdefghij
​
​
cdeghij
​
​
*/
​
​
​
int search(const string& str, const string& pattern, int maxError) {
​
    
    
    for (int i = 0; i < str.length(); ++i) {
        
        int error = 0;

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Compilation time: 0.38 sec, absolute running time: 0.05 sec, cpu time: 0 sec, memory peak: 3 Mb, absolute service time: 0.56 sec