How to solve b, c and d?

Figure 3.1 shows an incomplete C++ program. Refer to the figure and answer question 3(a) - (c). Write the complete program. int main() 4 Person p; cout > p.age; cout > p.salary; // Function call with structure variable // as an argument displayData (p); return 0; Figure 3.1 d. Write a code segment to define struct Person b. Write function definition of displayData() c. Modify function main() to input 50 data of type Person