CSC 312 Projeet2 (100 points) Write a program in Ct+ follow the program structure below. This program does the following 1) Display the message “Hello, world!” at the beginning. Ask the user to enter an integer n, ne0, accept the input and then a. Display the result of the summation s 1+2+… +n 2) b. Display the result of the factorial f1x2x…*n 3) Display the message “Program ends.” When finishes. Save your program as project2.cpp in
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