478C - Table Decorations - CodeForces Solution


greedy *1800

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Python Code:

c=list(map(int,input().split()))
print(min(sum(c)//3,c[0]+c[1]+c[2]-max(c)))

C++ Code:

#include<bits/stdc++.h>
using namespace std;

int main()
{
    long long a[3],b,c,s=0,m; cin>>a[0]>>a[1]>>a[2];
    sort(a,a+3); 
    if(a[2]<=a[0]+a[1]) s=(a[0]+a[1]+a[2])/3;
    else{
        s+=a[0]; a[2]-=(2*a[0]);
        m=min(a[1],a[2]);
        s+=min(m,(a[1]+a[2])/3);
    }
    
    cout<<s<<endl;
    
    return 0;
}


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