1 |
P1 - Quantity of Strings |
Codeforces |
Codeforces Round #107 (Div. 1) & Codeforces Round #107 (Div. 2) |

2 |
P2 - Directed Roads |
Codeforces |
Codeforces Round #369 (Div. 2) |

3 |
P3 - New Reform |
Codeforces |
Codeforces Round #346 (Div. 2) |

4 |
P4 - XOR and Favorite Number |
Codeforces |
Codeforces Round #340 (Div. 2) |

5 |
P5 - Megacity |
Codeforces |
Codeforces Round #242 (Div. 2) |

6 |
P6 - Pipeline |
Codeforces |
Codeforces Round #176 (Div. 2) |

7 |
P7 - Maximum Xor Secondary |
Codeforces |
Codeforces Round #172 (Div. 1) & Codeforces Round #172 (Div. 2) |

8 |
P8 - Nearest Fraction |
Codeforces |
Codeforces Round #172 (Div. 2) |

9 |
P9 - Simple Strings |
Codeforces |
Educational Codeforces Round 12 |

10 |
P10 - Bus Game |
Codeforces |
Codeforces Beta Round #71 |