PROBLEM LINK:
Practice
Contest: Division 1
Contest: Division 2
Contest: Division 3
Contest: Division 4
Author: raysh07
Tester: sushil2006
Editorialist: iceknight1093
DIFFICULTY:
Cakewalk
PREREQUISITES:
None
PROBLEM:
Chef rolls two standard 6-sided dice. The first one shows A.
What number should the second show for the total to equal 7?
EXPLANATION:
If the number on the second die is B, it should satisfy A+B = 7.
This gives us B = 7 - A after rearrangement, so the answer is simply
7-A
TIME COMPLEXITY:
\mathcal{O}(1) per testcase.
CODE:
Editorialist's code (PyPy3)
a = int(input())
print(7-a)