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- #include<stdlib.h>
- #include<stdio.h>
- #include<string.h>
- #define o 3
- int main()
- {
- int l, c, m[o][o], coluna;
- float ma=0.0;
- srand(time(0));
- for(l=0; l<o ; l++)
- {
- for(c=0; c<o ; c++)
- {
- m[l][c]=rand()%10;
- printf("%d\t", m[l][c]);
- }
- printf("\n");
- }
- printf("\n\nDigite um numero valido de uma coluna: ");
- scanf("%d", &coluna);
- for(l=0; l<o ; l++)
- ma += m[l][coluna];
- ma/=o;
- printf("\n\nMedia aritmetica da coluna: %f", ma);
- }
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