C-Input/Output From File-Insertion Sort -


how can programming? can give many hint or advice me?

  • c: read file , words alphabetic sorted (i did reading,but didn't sorting)

it looks problem worded poorly; c supposed direct read words unsorted list? make sense me.

anyway, design insertionsort function match prototype of standard library's qsort. way can reuse code , move logic comparing 2 words out of sort function. determining whether word "comes before" word trivial.

for calculating running time of algorithm, take @ clock function. not return running time of program better indicator of how cpu time sorting algorithm took. way minimize running time of program refrain making system calls , heap allocations in loops, if possible. note insertion sort has bad worst-case time complexity almost-sorted data. selecting right sorting algorithm data set can make big difference.


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