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#include <stdio.h>
#include <stdlib.h>
int * arrayMax(int * array, int n) {
if (n == 0){
return NULL;
}
int maxInt = array[0];
int * answer = array;
for (int i = 1; i < n; i++) {
if (array[i] > maxInt) {
maxInt = array[i];
answer = &array[i];
}
}
return answer;
}
void doTest(int * array, int n) {
printf("arrayMax(");
if (array == NULL) {
printf("NULL");
}
else {
printf("{");
for (int i =0; i < n; i++) {
printf("%d", array[i]);
if (i < n -1) {
printf(", ");
}
}
printf("}");
}
printf(", %d) is \n", n);
int * p = arrayMax (array, n);
if (p == NULL) {
printf("NULL\n");
}
else {
printf("%d\n", *p);
}
}
int main(void) {
int array1[] = { 77, 33, 19, 99, 42, 6, 27, 4};
int array2[] = { -3, -42, -99, -1000, -999, -88, -77};
int array3[] = { 425, 59, -3, 77, 0, 36};
doTest (array1, 8);
doTest (array2, 7);
doTest (array3, 6);
doTest (NULL, 0);
doTest (array1, 0);
return EXIT_SUCCESS;
}
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