C++ :
#include<bits/stdc++.h> using namespace std; int main() { int n,a,b,c;int z=0,x=0,s=0,u=0; cin>>n; for(int i=0;i<n;i++) { cin>>a>>b>>c; if(a>z)z=a; if(b>x)x=b; if(c>s)s=c; if(a+b+c>u)u=a+b+c; } cout<<u<<' '<<z<<" "<<x<<" "<<s; }
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