#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(){

	float *temps1;
	float *temps2;
	float input = 0;
	int count = 0;

	temps1 = malloc(sizeof(float)*5);


	while (input != -100){
		printf("Enter temperatures (enter -100 when finished): ");
		scanf("%f", &input);
		temps1[count] = input;
		count++;
		temps2 = malloc(sizeof(temps1)*2);
		if(count == sizeof(temps1)/sizeof(float)){
			temps2 = temps1;
			free(temps1);
		}
	}

	return 0;
}