#include <iostream>
#include <iomanip>
int main() {
// Declare variables
double marks[5];
double totalMarks = 0;
// Input marks from the user
std::cout << "Enter marks for 5 subjects:" << std::endl;
for (int i = 0; i < 5; ++i) {
std::cout << "Subject " << i + 1 << ": ";
std::cin >> marks[i];
// Validate input
while (marks[i] < 0 || marks[i] > 100) {
std::cout << "Invalid input! Marks must be between 0 and 100. Enter again: ";
std::cin >> marks[i];
}
// Accumulate total marks
totalMarks += marks[i];
}
// Calculate average marks
double averageMarks = totalMarks / 5;
// Display results
std::cout << std::fixed << std::setprecision(2);
std::cout << "Total Marks: " << totalMarks << std::endl;
std::cout << "Average Marks: " << averageMarks << std::endl;
return 0;
}