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SRM 93
May 30, 2002

Rookie Review

Coding Phase

For the most part, each rookie room was dominated by a single coder. This was most prevalent during the Coding phase.

At the end of the Coding Phase, the scores were:

• Room 65:
1. hoover_jon - 1084.01
• Room 66:
1. kot - 1440.85
• Room 67:
1. along - 1165.00
• Room 68:
1. Mike2000 - 855.51
• Room 69:
1. mandersen - 548.03
2. snaff12 - 424.05

Challenge Phase

In Room 66, kot had a busy Challenge Phase. First, kot lost his Level 3 problem to a challenge by yatta5000. The reason for this is that kot's Level 3 submission was simply returned a random number. kot then proceeded to submit 4 challenges of his own.

The first, against gdennis's flawed Level 1 submission, failed, losing kot an additional 50 points. gdennis's solution failed to compute the rounded mean properly, but kot's test case failed to exploit that. kot's next challenge was against Saeven's Level 2 problem, and was successful. Saevon didn't bother to compute the mean at all. kot also successfully challenged yatta5000's Level 1 problem, perhaps in retaliation for yatta5000's earlier challenge, but then unsuccessfully challenged Saeven's Level 2 submission. All of kot's challenges balanced out to 0 points for him, but the unsucessful defense of his Level 3 problem lost him 855.28 points.

The most masterful rookie performance of the night was by along in Room 67, who accumulated three successful challenges. along successfully challenged vietchau's Level 1 submission (incorrect mean calculation), samosa's Level 1 submission (same mistake), and kidprogram's Level 2 submission. This gave along 150 points and a commanding lead.

In Room 68, Mike2000 lost both of his submissions to challenges, giving the lead up to diffusion_84. In Room 69, manderson gained 50 points from tdrapeau's Level 1 problem (which returned a mean instead of a median).

At the end of the Challenge Phase, the scores were:

Room 65:
1. hoover_jon - 1084.01
Room 66:
1. kot - 585.57
Room 67:
1. along - 1315.00
Room 68:
1. jonderry - 505.43
2. Mike2000 - 427.85
3. diffusion_84 - 423.34
Room 69:
1. mandersen - 598.03
2. snaff12 - 424.05

System Test Phase

The System Phase resulted in quite a lot of movement in rookie ranks. In Room 65, hoover_jon lost his Level 3 problem, but due to his other two submissions was barely able to hold onto the room lead. In Room 68, jonderry lost his Level 2 submission and Mike2000 lost his Level 1 submission, giving the room lead to diffusion_84 who had previously been in third place. In Room 69, mandersen and snaff12 each lost his Level 2 problem, leaving them with the same rankings as before.

Final Results
Room 65:
1. hoover_jon - 546.66
Room 66:
1. kot - 585.57
Room 67:
1. along - 1315.00
Room 68:
1. diffusion_84 - 423.34
Room 69:
1. mandersen - 369.71

Congratulations to along, whose very impressive score dwarfed that of any of the other rookies. This gives along a nice yellow rating of 1832, the sixteenth highest debut ever.

By Logan
TopCoder Member