#include <stdio.h>
float miasomma(float x, float y);
int main()
{
float a;
float tot=1;
while (a != -1)
{
tot = miasomma(a, tot);
}
return 0;
}
float miasomma(float x, float y)
{
float somma;
somma = x * y;
return somma;
}
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