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Qsort.c
Upload User: dq031136
Upload Date: 2022-08-08
Package Size: 802k
Code Size: 1k
Category:
Visual C++ Books
Development Platform:
C++ Builder
- #include <stdlib.h>
- #include <stdio.h>
- int compare_int(int *a, int *b)
- {
- if (*a < *b)
- return(-1);
- else if (*a == *b)
- return(0);
- else
- return(1);
- }
- int compare_float(float *a, float *b)
- {
- if (*a < *b)
- return(-1);
- else if (*a == *b)
- return(0);
- else
- return(1);
- }
- void main(void)
- {
- int int_values[] = {51, 23, 2, 44, 45};
- float float_values[] = {21.1, 13.3, 22.2, 34.4, 15.5};
- int elements = 5, i;
- qsort(int_values, elements, sizeof(int),
- (int (*) (const void *, const void *)) compare_int);
- for (i = 0; i < elements; i++)
- printf("%d ", int_values[i]);
- putchar('n');
- qsort(float_values, elements, sizeof(float),
- (int (*) (const void *, const void *)) compare_float);
- for (i = 0; i < elements; i++)
- printf("%4.1f ", float_values[i]);
- }