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- #include<stdlib.h>
- #include<stdio.h>
- int main(){
- int i ,n ;
- float media,*pvetor;
- printf( "\nInforme quantos alunos desejas cadastrar:" );
- scanf("%d" , &n );
- /* aloca espaco na memoria */
- pvetor = (int*) malloc( n * sizeof(int));
- if(!pvetor){
- printf( " Sem memória!" );
- return 1;
- }
- for (i = 0; i < n ; i ++){
- printf( "\nInforme o aluno %d:",i+1);
- scanf ("%f" , pvetor + i );
- }
- media = 0.0;
- for (i = 0; i < n ; i ++){
- media += *( pvetor + i );
- }
- printf ("Media da turma: %.1f\n",media/n);
- free (pvetor);
- return 0;
- }
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