Răspuns :

Andriesboss92id

Ex 3.

unsigned int n, i, suma=0;

for( i = 1; i <= n ; i++ )

    suma = suma + i;

Ex 4.

1735 % 100 + 1735 / 10 % 10 + 1735 / 100 % 10 =

= 35 + 173 % 10 + 17 % 10 =

= 35 + 3 + 7 =

= 45

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