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738 B
738 B
printcombprog
Instructions
Write a program that prints in ascending order on a single line all unique combinations of three different digits so that the first digit is lower than the second and the second is lower than the third.
These combinations are separated by a comma and a space.
Usage
Here is an incomplete output :
student@ubuntu:~/[[ROOT]]/printcombprog$ go build
student@ubuntu:~/[[ROOT]]/printcombprog$ ./printcombprog | cat -e
012, 013, 014, 015, 016, 017, 018, 019, 023, ..., 689, 789$
student@ubuntu:~/[[ROOT]]/printcombprog$
000 or 999 are not valid combinations because the digits are not different.
987 should not be shown because the first digit is not less than the second.