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CODE EXAMPLE FOR CPP

insertion sort cpp

void insertionSort(int a[], int N) {
  for (int i = 1; i < N; ++i) { // O(N)
    int X = a[i]; // X is the item to be inserted
    int j = i-1;
    for (; j >= 0 && a[j] > X; --j) // can be fast or slow
      a[j+1] = a[j]; // make a place for X
    a[j+1] = X; // index j+1 is the insertion point
  }
}

// https://visualgo.net/en/sorting?slide=9-1
// [[29May2022]]
Source by visualgo.net #
 
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Tagged: #insertion #sort #cpp
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