zadatak174.

#include <cstdlib>
#include <iostream>
#include <algorithm>

using namespace std;

int main()
{

int a[3],n,b;

cin >> a[0] >> a[1] >> a[2];

sort(a,a+3);
b=a[0];
n=a[1]-a[0];
if(a[2]-a[1]<n)n=a[2]-a[1];

while(a[0]==b || a[1]==b || a[2]==b)
b+=n;
cout << b << endl;
system(„PAUSE“);
return EXIT_SUCCESS;
}

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