1 |
P1 - Another Sith Tournament |
Codeforces |
Educational Codeforces Round 13 |

2 |
P2 - Roman and Numbers |
Codeforces |
Codeforces Round #235 (Div. 2) |

3 |
P3 - Looking for Order |
Codeforces |
Codeforces Beta Round #8 |

4 |
P4 - Porcelain |
Codeforces |
Codeforces Round #105 (Div. 2) |

5 |
P5 - Pawn |
Codeforces |
Codeforces Beta Round #40 (Div. 2) |

6 |
P6 - Famil Door and Brackets |
Codeforces |
Codeforces Round #343 (Div. 2) |

7 |
P7 - Travelling Salesman and Special Numbers |
Codeforces |
Codecraft-18 and Codeforces Round #458 (Div. 1 + Div. 2, combined) |

8 |
P8 - Writing Code |
Codeforces |
Codeforces Round #302 (Div. 1) & Codeforces Round #302 (Div. 2) |

9 |
P9 - George and Job |
Codeforces |
Codeforces Round #267 (Div. 2) |