Hi, I am writing a code to sort a list of C-strings in a 2-D array. I'm a beginner and it isn't working out. The program crashes every time. After running a bit of testing, I found that the for loop in my sort function is not incrementing the variable "indexy" properly. It starts at 0, goes to one, then jumps to 1400000s, and the program crashes after. Can someone help me decipher what is wrong?
The "cout" at the function is to decipher the value of indexy, and that made me discover where it is crashing, I cannot however, understand why.
#include <cstdlib>
#include <iostream>
#include <cstring>
#include <fstream>
using namespace std;
int indexSmallest(char [][5], int, int);
void swap(char[][5], int, int);
void sort(char[][5], int);
int main(){
char a[3][5] = {'b','b','c','d','\0',
'a','b','d','c','\0',
'a','a','a','c','\0'};
sort (a, 3);
for(int b=0;b<3;b++)
cout << a[b] << endl;
}
int indexSmallest(char arr[][5], int start, int size){
int indexMin, tempIndex, index = 0;
char low[1][4];
for(int count =0;count<5;count++){
low[0][count] = arr[start][count];
}
for (index=start+1;index<size;index++){
if(strcmp(low[0],arr[index])>0){
for(int count =0;count<5;count++){
low[0][count] = arr[index][count];
}
tempIndex = index;
indexMin = tempIndex;
}
}
return indexMin;
}
void sort(char arr[][5], int size){
int indexy, indexSmall=0;
for(indexy=0;indexy<size-1;indexy++){
cout << "index passed is " << indexy;
indexSmall = indexSmallest(arr, indexy, size);
swap(arr, indexy, indexSmall);
}
}
void swap(char arr[][5], int index, int indexSmall){
char temp[1][5];
for(int count=0;count<5;count++){
temp[0][count] = arr[index][count];
}
for(int count = 0; count<5; count++){
arr[index][count] = arr[indexSmall][count];
}
for(int count = 0; count < 5; count ++){
arr[indexSmall][count] = temp[0][count];
}
}
