Question: for (int i = 0; i < n; i++) { System.out.println(hello); } for (int i = 0; i < n; i++) { for (int j

for (int i = 0; i < n; i++) { 
 System.out.println("hello");
} 
for (int i = 0; i < n; i++) { for (int j = 0; j < i; j++) { // NOTE j < i here. 
 System.out.println("hello"); }
 } 
 

O(n2)

O(n3)

O(nlogn)

O(n+n2)

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