1 |
P1 - Watermelon |
Codeforces |
Codeforces Beta Round #4 (Div. 2 Only) |

2 |
P2 - Queue at the School |
Codeforces |
Codeforces Round #163 (Div. 2) |

3 |
P3 - Registration System |
Codeforces |
Codeforces Beta Round #4 (Div. 2 Only) |

4 |
P4 - Worms |
Codeforces |
Codeforces Round #271 (Div. 2) |

5 |
P5 - Interesting drink |
Codeforces |
Codeforces Round #367 (Div. 2) |

6 |
P6 - Fox And Two Dots |
Codeforces |
Codeforces Round #290 (Div. 2) |

7 |
P7 - Propagating tree |
Codeforces |
Codeforces Round #225 (Div. 1) & Codeforces Round #225 (Div. 2) |

8 |
P8 - Array |
Codeforces |
Codeforces Beta Round #53 |