https://codeforces.com/contest/1715/problem/A
void solve(){ ll n,m;cin>>n>>m; if(n==1 and m==1){ cout<<0<<endl; return; } ll a = m-1; ll b = n-1; ll c = min(n,m)-1; cout<<a+b+c+1<<endl;
}
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1715A---- A better Approach
https://codeforces.com/contest/1715/problem/A
void solve(){ ll n,m;cin>>n>>m; if(n==1 and m==1){ cout<<0<<endl; return; } ll a = m-1; ll b = n-1; ll c = min(n,m)-1; cout<<a+b+c+1<<endl;
}
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