Lower & Upper Bound

Binary Search Lower Bound #include "bits/stdc++.h" using namespace std; int main() { int n; cin>>n; int a[n]; for(int i=0; i<n; i++) cin>>a[i]; auto its = lower_bound(a, a+n, 5); cout<<*its; } input ======= 5 1 3 4 5 6 outp...