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C++

Given the code: string s; cout >s; Write a loop that will convert all lower case characters in the string s to uppercase. Print the modified string s after the loop. Note that s can be a string of any length. Example Output 1 Enter a string of any length: Hello HELLO Example Output 2 Enter a string of any length: Goodbye GOODBYE Write a nested loop to print the following for any nxn image of odd dimensions: Example Output (if n==5): ): OXOXO Example Output (if n==3)