"***Boshir Mishtanno***" is a famous sweet's shop in *Shikaripara Bazar*. Younus Madbor is a great man lives in neighbouring village. He came to the shop with his grandson Muhammad to buy some sweets. Muhammad likes sweets a lot, so he told his grandpa to buy a full dish of sweets. On an empty dish **"R"** sweets can be placed in a single column and **"C"** sweets in a single row. The dish is rectangular and Muhammad wants the maximum number of sweets can be placed on it. So a sweet can be placed on another sweets when possible as showed in the figure. ![Figure][1] Now, your task is to calculate the total cost of sweets that Younus Madbor had to expend if the cost of a sweet is **15** taka. Input: ------ Input starts with an integer **T (1<=100)**, denoting the number of test cases. Each case contains two integers **R** and **C** separated by a single space **(1 ≤ R, C ≤ 1000).** Output: ------- For each case of input, output the case number followed by the total cost. See sample input and output for more clarification. Sample Input ------------ 3 3 3 4 2 4 4 Sample Output ------------- Case 1: 210 Case 2: 165 Case 3: 450 [1]: https://s3-ap-southeast-1.amazonaws.com/devskillimagestorage/questionimages/74144737-c04b-c49d-83f1-08d45dae8785_bb3be9456fbd417ca4a6fe62cb4e4c1d_W200xH155.png

Jayed Al Hasan

Language |
Time Limit (seconds) |

C | 0.50 |

C++ | 0.50 |

C++14 | 0.50 |

C# | 1.00 |

Go | 1.00 |

Java | 1.00 |

JavaScript | 1.00 |

Objective-C | 1.00 |

Perl | 1.00 |

PHP | 1.00 |

Python | 1.00 |

Python3 | 1.00 |

Ruby | 1.00 |

VB.Net | 1.00 |

Solve/Submission

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

01 | njrafi | Cpp14 | 0.00s |

02 | kazinayeem | Cpp14 | 0.00s |

03 | habib_rahman | Cpp14 | 0.00s |

04 | abinash | Cpp14 | 0.00s |

05 | demon | Cpp14 | 0.00s |

06 | Double_O | Cpp14 | 0.00s |

07 | nuhu_iu | Cpp14 | 0.00s |

08 | imranziad | Cpp14 | 0.00s |

09 | duronto20 | Cpp14 | 0.00s |

10 | Digonta | Cpp14 | 0.00s |

11 | xpo6 | Cpp14 | 0.00s |

12 | ArifKhanShubro | Cpp14 | 0.00s |

13 | zitul_mahmud | Cpp14 | 0.00s |

14 | Puja1409 | Cpp14 | 0.00s |

15 | HR_Habib | Cpp14 | 0.00s |

16 | PKP_007 | Cpp14 | 0.00s |

17 | shuvo_iu | Cpp14 | 0.00s |

18 | sazeduliu | Cpp14 | 0.00s |

19 | badhansen123 | Cpp14 | 0.00s |

20 | shaft | Cpp14 | 0.00s |

21 | KIRIN_36 | Cpp14 | 0.00s |

22 | sayedgkm | Cpp14 | 0.00s |

23 | aseem_cu | Cpp14 | 0.00s |

24 | Core_i14 | Cpp14 | 0.00s |

25 | Alamgir_Hossain | Cpp14 | 0.00s |

26 | amirraj20 | Cpp14 | 0.00s |

27 | simantaturja | Cpp14 | 0.00s |

28 | emrul | Cpp14 | 0.00s |

29 | kamrulashraf | Cpp14 | 0.00s |

30 | sazal_dev | Cpp14 | 0.00s |

31 | 7Mahfuz | Cpp14 | 0.00s |

32 | reshan13 | Cpp14 | 0.00s |

33 | astrolion7 | Cpp14 | 0.00s |

34 | arabin | Cpp14 | 0.00s |

35 | shamimjucse | Cpp14 | 0.00s |

36 | Masum_ice | Cpp14 | 0.00s |

37 | Naweed | Cpp14 | 0.00s |

38 | Pure_Protea | Cpp14 | 0.00s |

39 | maxhasan | Cpp14 | 0.00s |

40 | gazi93 | Cpp14 | 0.00s |

41 | Arpan_cse_2k14 | Cpp14 | 0.00s |

42 | lazyfahim | Cpp14 | 0.00s |

43 | saiful130104 | Cpp14 | 0.00s |

44 | rifat_ikbal007 | Cpp14 | 0.00s |

45 | adamantium | Cpp14 | 0.00s |

46 | Dragon_Curve | Cpp14 | 0.00s |

47 | The_Viper | Cpp14 | 0.00s |

48 | a_pramanik | Cpp14 | 0.00s |

49 | sakib_muhit | Cpp14 | 0.00s |

50 | deder | Cpp14 | 0.00s |

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