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Subject taught by the most teacher We know about the teachers at a school, what lessons they have and when. We identify the teachers, the subjects, the days of the week and the time slots in a day with ID numbers. Write a program that determines the subject that is taught by the most teachers. Input The first line of the standard input contains the count of lessons (1≤L≤800), the count of teachers (1≤N≤100), the count of subjects (1≤M≤100), the ID of a teacher (1≤T≤N) and the ID of a day (1≤D≤5), separated by spaces. The next L lines contain 4 integers separated by spaces: the ID of the teacher (1≤TID≤N), the ID of subject taught (1≤TS≤M), day (1≤Day≤5), and time slot (0≤Time≤8) of a lesson. For

Subject taught by the most teacher We know about the teachers at a school, what lessons they have and when. We identify the teachers, the subjects, the days of the week and the time slots in a day with ID numbers. Write a program that determines the subject that is taught by the most teachers. Input The first line of the standard input contains the count of lessons (1≤L≤800), the count of teachers (1≤N≤100), the count of subjects (1≤M≤100), the ID of a teacher (1≤T≤N) and the ID of a day (1≤D≤5), separated by spaces. The next L lines contain 4 integers separated by spaces: the ID of the teacher (1≤TID≤N), the ID of subject taught (1≤TS≤M), day (1≤Day≤5), and time slot (0≤Time≤8) of a lesson. For

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Subject taught by the most teacher We know about the teachers at a school, what lessons they have and when. We identify the teachers, the subjects, the days of the week and the time slots in a day with ID numbers. Write a program that determines the subject that is taught by the most teachers. Input The first line of the standard input contains the count of lessons (1≤L≤800), the count of teachers (1≤N≤100), the count of subjects (1≤M≤100), the ID of a teacher (1≤T≤N) and the ID of a day (1≤D≤5), separated by spaces. The next L lines contain 4 integers separated by spaces: the ID of the teacher (1≤TID≤N), the ID of subject taught (1≤TS≤M), day (1≤Day≤5), and time slot (0≤Time≤8) of a lesson. For example, 3 7 2 1 means that the third teacher teaches the seventh subject on the second day of the week in the first time slot. Output The first line of the standard output should contain the ID of the subject that is taught by the most teachers. If there is more than one solution, give the smallest ID. Example Input 8 3 4 1 1 1 1 1 6 1 1 2 2 1 2 1 3 2 1 2 2 2 2 3 1 3 4 1 2 3 2 1 4 3 3 2 1 Output 2
Transcribed Image Text:Subject taught by the most teacher We know about the teachers at a school, what lessons they have and when. We identify the teachers, the subjects, the days of the week and the time slots in a day with ID numbers. Write a program that determines the subject that is taught by the most teachers. Input The first line of the standard input contains the count of lessons (1≤L≤800), the count of teachers (1≤N≤100), the count of subjects (1≤M≤100), the ID of a teacher (1≤T≤N) and the ID of a day (1≤D≤5), separated by spaces. The next L lines contain 4 integers separated by spaces: the ID of the teacher (1≤TID≤N), the ID of subject taught (1≤TS≤M), day (1≤Day≤5), and time slot (0≤Time≤8) of a lesson. For example, 3 7 2 1 means that the third teacher teaches the seventh subject on the second day of the week in the first time slot. Output The first line of the standard output should contain the ID of the subject that is taught by the most teachers. If there is more than one solution, give the smallest ID. Example Input 8 3 4 1 1 1 1 1 6 1 1 2 2 1 2 1 3 2 1 2 2 2 2 3 1 3 4 1 2 3 2 1 4 3 3 2 1 Output 2
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