1825B - LuoTianyi and the Table - CodeForces Solution


brute force greedy math

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C++ Code:

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

typedef long long ll;
typedef long long int lli;
#define pb push_back

#define MOD 1000000007

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int t;cin>>t;
    while(t--){
        int n,m;cin>>n>>m;
        vector<int> a(n*m);
        for(int i=0;i<(n*m);i++) cin>>a[i];
        sort(a.begin(),a.end());
        int y= a[(n*m)-1]-a[0];
        int x = max( (a[(n*m)-1]-a[1]) , (a[(n*m)-2]-a[0]) );
        int ans= max( (x*(m-1) + y*m*(n-1)) , (x*(n-1) + y*n*(m-1)) );
        cout<<ans<<endl;
    }    
}


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