How to use C-band qsort to quickly sort

1/can write to stdout fordebugging purposes, e.g.2 //printf ("This is a debug message\n");3#include <stdlib.h>4 5 intcmpConst void*P1,Const void*p2)6 {7     return*(int*) p1>* (int*) P2?1:-1;8 }9 intSolution (intA[],intN) {Ten     //Write your code in C99 One     //int len = sizeof (A)/sizeof (a[0]); A     //printf ("%d len \ n", Len); -Qsort (A,n,sizeof(int), CMP); -     inti; the      for(i=0; i<n-2; i++) -     { -         //printf ("%d \ n", A[i]); -         if(a[i+2]-a[i+1]<A[i]) +         { -             return 1; +         } A     } at     return 0; -}

Qsort

A: Array;

N: array length;

sizeof (int), the size of each element;

CMP: A function that compares two parameter sizes.

How to use C-band qsort to quickly sort