What will be the lexicographical order of combinations of 2 elements each formed from the array arr={1,2,3}?
Posted: Wed Jul 13, 2022 6:16 pm
a) {{2,1},{3,2},{3,1}}
b) {{1,2},{2,3},{1,3}}
c) {{1,2},{1,3},{2,3}}
d) {{2,1},{3,1},{3,2}}
b) {{1,2},{2,3},{1,3}}
c) {{1,2},{1,3},{2,3}}
d) {{2,1},{3,1},{3,2}}