#include <stdio.h>
 
void validar(float *var){
    while (1) {
        scanf("%f", var);
        if (*var >= 0 && *var <= 10) return;
        printf("\nNota invalida, tente novamente: ");
    }
}
 
int main() {
    float lab, avaliacao, exame;
    printf("Entre com a nota do trabalho de laboratorio: ");
    validar(&lab);
    printf("Entre com a nota da avaliação bimestral: ");
    validar(&avaliacao);
    printf("Entre com a nota do exame final: ");
    validar(&exame);
    float media = (lab * 2 + avaliacao * 3 + exame * 5) / (2 + 3 + 5);
    printf((media < 3) ? "\nAluno reprovado.\n" : (media < 5) ? "\nAluno em recuperação\n" : "\nAluno aprovado\n");
}
 
//https://pt.stackoverflow.com/q/323110/101

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

MTEKNQo0CjMK

11
5
4
3