A. Koxia and Whiteboards Codeforces Good Bye 2022: 2023 is NEAR Problem Solution
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Codeforces
Problem Statement :
Kiyora has n whiteboards with numbers ranging from 1 to n. Initially, the integer ai is written on the i-th whiteboard.
Koxia carries out m operations. The j-th operation involves selecting one of the whiteboards and changing the integer written on it to bj.
After performing all m operations, determine the largest possible sum of the integers written on the whiteboards.
Format of Input :
Each test is made up of several test cases. The first line includes a single integer t (1t1000) indicating the number of test cases. The following is a description of the tests.
Evey test case's first line contains two integers n and m (1n,m100).
Evey test case's second line includes n integers a1,a2,...,an (1ai109).
Evey test case's third category represents m integers b1,b2,...,bm (1bi109).
Format of the Output :
Output a single integer for each test case — the largest possible sum of integers written on whiteboards after conducting all m operations.
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