1 |
P1 - Restaurant |
Codeforces |
Testing Round #12 |

2 |
P2 - Maxim and Discounts |
Codeforces |
Codeforces Round #160 (Div. 1) & Codeforces Round #160 (Div. 2) |

3 |
P3 - Matchmaker |
Codeforces |
VK Cup 2012 Qualification Round 2 |

4 |
P4 - Cellular Network |
Codeforces |
Educational Codeforces Round 15 |

5 |
P5 - Colorful Field |
Codeforces |
Codeforces Beta Round #71 |

6 |
P6 - One-Dimensional Battle Ships |
Codeforces |
Codeforces Round #Pi (Div. 2) |

7 |
P7 - Big Maximum Sum |
Codeforces |
Codeforces Beta Round #67 (Div. 2) |

8 |
P8 - Oh Sweet Beaverette |
Codeforces |
ABBYY Cup 3.0 - Finals (online version) |

9 |
P9 - Mysterious Present |
Codeforces |
Codeforces Beta Round #4 (Div. 2 Only) |

10 |
P10 - Shortest Path |
Codeforces |
Codeforces Beta Round #55 (Div. 2) |

11 |
P11 - Volleyball |
Codeforces |
Codeforces Beta Round #77 (Div. 1 Only) & Codeforces Beta Round #77 (Div. 2 Only) |

12 |
P12 - Planets |
Codeforces |
Codeforces Round #142 (Div. 1) & Codeforces Round #142 (Div. 2) |

13 |
P13 - Mashmokh and Tokens |
Codeforces |
Codeforces Round #240 (Div. 2) |

14 |
P14 - Complicated GCD |
Codeforces |
Codeforces Round #347 (Div. 2) |

15 |
P15 - Watering Flowers |
Codeforces |
Codeforces Round #340 (Div. 2) |