Language needs to be in C++

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Construct an array of 1000 random integers within range [0, 100] An input file input.txt is provide. Each line of input.txt is a query integer that you need to check how many of that number is in your random integer array. For each query integer, fork a new child proces:s to do the counting. The output is for each input query, output the count and child process id. For example: S>query: 13 count: 5 pid: 13342 S>query: 22 count: 3 pid: 13357