Part III: Searching & Sorting Q6: Find DOG from a given text, the text appears to be involving an alphabet with only the three characters D, O, and G. Find out how many times DOG appears in the text. We doesn't mind if there are other characters interspersed within DOG, only that the characters appear in the correct order. We also doesn't mind if different occurrences of DOG share some letters. For instance, DOG appears once in DGOG, twice in DDOG, and eight times in DDOOGG. Given the text of the inscription, please count how many times DOG appears. INPUT FORMAT: (file cow.in) The first line of input consists of a single integer N. The second line contains of a string of N characters, where each character is either a D, O, or G. OUTPUT FORMAT: (file cow.out) Output the number of times DOG appears as a subsequence, not necessarily contiguous, of the input string. SAMPLE INPUT 1: 6. DOOGGG SAMPLE OUTPUT 1: 6 SAMPLE INPUT 2: DDOOGG SAMPLE OUTPUT 2: SAMPLE INPUT 3: wwwoOC SAMPLE OUTPUT 3: SAMPLE INPUT 4: 12 COWCOWCOWCOW SAMPLE OUTPUT 4: 20 SAMPLE INPUT 5: 55 СССССССССССОООООООООOOWWWWWWWWWWWO0ОООООООООССССССССССС SAMPLE OUTPUT 5: 1331
Part III: Searching & Sorting Q6: Find DOG from a given text, the text appears to be involving an alphabet with only the three characters D, O, and G. Find out how many times DOG appears in the text. We doesn't mind if there are other characters interspersed within DOG, only that the characters appear in the correct order. We also doesn't mind if different occurrences of DOG share some letters. For instance, DOG appears once in DGOG, twice in DDOG, and eight times in DDOOGG. Given the text of the inscription, please count how many times DOG appears. INPUT FORMAT: (file cow.in) The first line of input consists of a single integer N. The second line contains of a string of N characters, where each character is either a D, O, or G. OUTPUT FORMAT: (file cow.out) Output the number of times DOG appears as a subsequence, not necessarily contiguous, of the input string. SAMPLE INPUT 1: 6. DOOGGG SAMPLE OUTPUT 1: 6 SAMPLE INPUT 2: DDOOGG SAMPLE OUTPUT 2: SAMPLE INPUT 3: wwwoOC SAMPLE OUTPUT 3: SAMPLE INPUT 4: 12 COWCOWCOWCOW SAMPLE OUTPUT 4: 20 SAMPLE INPUT 5: 55 СССССССССССОООООООООOOWWWWWWWWWWWO0ОООООООООССССССССССС SAMPLE OUTPUT 5: 1331
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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