UVa 10903 - Rock-Paper-Scissors Tournament

10903 - Rock-Paper-Scissors Tournament

 * http://acm.uva.es/p/v109/10903.html

Summary
In this problem you have to find the "win average" on a tournament of Rock-Paper-Scissors.

Explanation
Just keep the number of times each player has won and lost while taking the input. In the end print out $$\frac{W}{W+L}$$, where $$w$$ is the number of games won, and $$l$$ is the number of games lost.

Input
2 4 1 rock 2 paper 1 scissors 2 paper 1 rock 2 rock 2 rock 1 scissors 2 1 1 rock 2 paper 3 1 1 rock 3 paper 3 scissors 2 scissors 2 scissors 1 scissors 3 1 1 rock 2 paper 2 paper 3 scissors 3 scissors 1 rock 0

Output
0.333 0.667

0.000 1.000

0.000 - 1.000

0.500 0.500 0.500