Multiple choice:The time complexity of the following code is:
The time complexity of the following code is: @ [C] (2)
```
for(i=0; ifor(j=0; jprintf("%d,%d\n", i, j);
```
A. $$O(N \times j)$$
B. $$O(N)$$
C. $$O(N ^2 )$$
D. $$O(NlogN)$$
A.$$O(N \times j)$$
B.$$O(N)$$
C.$$O(N ^2 )$$
D.$$O(NlogN)$$
answer：C
```
for(i=0; i
```
A. $$O(N \times j)$$
B. $$O(N)$$
C. $$O(N ^2 )$$
D. $$O(NlogN)$$
A.$$O(N \times j)$$
B.$$O(N)$$
C.$$O(N ^2 )$$
D.$$O(NlogN)$$
answer：C
