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#include <iostream>
using namespace std;
int main(void)
{
int a[] = {13,24,7,8,6,15,2,21,17,7,3,19,20,1};
int minore, diffp, diff = 0, x, y;
int tot = sizeof a/sizeof(int);
for(int i = 0; i < tot; i++)
{
minore = a[i];
for(int j = i; j < tot-1; j++)
{
if(a[j] == minore) continue;
else if(a[j] > minore) diffp = a[j] - minore;
if(diffp > diff && diffp > 0) {
x = i;
y = j;
diff = diffp;
}
}
}
cout << "Ti conviene comprare a " << a[x] << " giorno " << x+1 << " e vendere a " << a[y] << " giorno " << y+1 << endl;
cout << "Il tuo guadagno sarebbe: " << diff;
return 0;
}
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