#include <stdio.h>
#include <stdlib.h>
#define MAX 3
float menor_nota(float * valor) {
	int i;
	float menor = valor[0];
	for (i = 1; i < MAX; i++) {
	    if (valor[i] < menor) {
	        menor = valor[i];
	    }
	}
	return menor;
 }
 
int main() {
    int i;
    float * notas = malloc(sizeof(float) * MAX);
 
    printf("Informe a nota dos 30 alunos: ");
 
	for (i = 0; i < MAX; i++) {
	    scanf("%f", &notas[i]);
	}
	printf("\n A menor nota foi: %2.2f", menor_nota(notas));
}

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OQo1CjgK

9
5
8