A **prime number** (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. First few prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31 .... Here 2 is 1st prime number, 3 is 2nd prime number, 5 is 3rd prime number, 7 is 4th prime number and so on. In this problem, You have to figure out **the summation of N th prime number to M th prime number (Inclusive) is even or odd?** Note: ***Summation will be even if it is divisible by 2 , otherwise it will be odd.*** Input: ------ Input starts with an integer **T (0< T<=100)**, denoting the number of test cases. Each case contains two integers **N and M (1 ≤ N ≤ M ≤ 10^18)** as explained above. Output: ------- For each case of input, print **Case x: Even** if answer is even, otherwise print **Case x: Odd** Here x is the test case number. See Sample Input/Output and Explanation part for more clarifications. Sample Input ------------ 2 2 5 2 4 Sample Output ------------- Case 1: Even Case 2: Odd Explanation: In case 1, summation of 2nd prime number to 5th prime number= 3+5+7+11 =26, which is Even. In case 2, summation of 2nd prime number to 4th prime number= 3+5+7 =15, which is Odd.

Md. Amir-Al-Fahim

Language |
Time Limit (seconds) |

C | 0.50 |

C++ | 0.50 |

C++14 | 0.50 |

C# | 0.50 |

Go | 0.50 |

Java | 0.50 |

JavaScript | 0.50 |

Objective-C | 0.50 |

Perl | 0.50 |

PHP | 0.50 |

Python | 0.50 |

Python3 | 0.50 |

Ruby | 0.50 |

VB.Net | 0.50 |

Solve/Submission

# | User | Language | Timing |
---|---|---|---|

01 | njrafi | Cpp14 | 0.00s |

02 | cse_nazmul | Cpp14 | 0.00s |

03 | atik | Cpp14 | 0.00s |

04 | asiuzzaman006 | Cpp14 | 0.00s |

05 | KNUTH | Cpp14 | 0.00s |

06 | alhelal_cse | Cpp | 0.00s |

07 | Koushik_12 | Cpp14 | 0.00s |

08 | ifat_just | Cpp14 | 0.00s |

09 | inactivecoder | Cpp14 | 0.00s |

10 | shailyroy | Cpp14 | 0.00s |

11 | Dark_Ocean | Cpp14 | 0.00s |

12 | taskin1995 | Cpp14 | 0.00s |

13 | Zayed | Cpp14 | 0.00s |

14 | aseem_cu | Cpp14 | 0.00s |

15 | foysal_007 | Cpp14 | 0.00s |

16 | Alamgir_Hossain | Cpp14 | 0.00s |

17 | Nazmul_Moon | Cpp14 | 0.00s |

18 | yakin | Cpp14 | 0.00s |

19 | Nazmul_WUB | Cpp14 | 0.00s |

20 | asad_IT | Cpp14 | 0.00s |

21 | Shakil_Mahmud | Cpp14 | 0.00s |

22 | showmic | Cpp14 | 0.00s |

23 | zyyxxx | Cpp14 | 0.00s |

24 | Optimus_primeV2 | Cpp14 | 0.00s |

25 | shawon100 | Cpp14 | 0.00s |

26 | zitul_mahmud | Cpp14 | 0.00s |

27 | emrul | Cpp14 | 0.00s |

28 | Foysol_Ahmed | Cpp14 | 0.00s |

29 | tariqiitju | Cpp | 0.00s |

30 | sazal_dev | Cpp14 | 0.00s |

31 | Najat | Cpp14 | 0.00s |

32 | n433m | Cpp14 | 0.00s |

33 | SM_Roknuzzaman | Cpp14 | 0.00s |

34 | arabin | C | 0.00s |

35 | plab0n | Cpp14 | 0.00s |

36 | shamimjucse | Cpp14 | 0.00s |

37 | t0whid | Cpp14 | 0.00s |

38 | Pure_Protea | Cpp14 | 0.00s |

39 | maxhasan | Cpp14 | 0.00s |

40 | Masum_ice | Cpp14 | 0.00s |

41 | mhiceiu | Cpp14 | 0.00s |

42 | prodipdatta7 | Cpp14 | 0.00s |

43 | joy25896 | Cpp14 | 0.00s |

44 | The_Viper | Cpp14 | 0.00s |

45 | milak_yn | Cpp14 | 0.00s |

46 | Aman_khan | Cpp14 | 0.00s |

47 | fearless_hasan | Cpp14 | 0.00s |

48 | rayhan50001 | Cpp14 | 0.00s |

49 | Logic_Hunter | Cpp14 | 0.00s |

50 | nazmul49 | Cpp14 | 0.00s |

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