C++ examples for Statement:for
Computes a grade average with a for loop. Read the grade from user
#include <iostream> using namespace std; #include <iomanip> int main()//www . j av a2 s . c o m { float grade, avg; float total=0.0; int num; int loopvar; cout << "How many students are there? "; cin >> num; // Get total number to enter for (loopvar=1; loopvar<=num; loopvar++) { cout << "\nWhat is the next student's grade? "; cin >> grade; total += grade; } // Keep a running total avg = total / num; cout << "\n\nThe average of this class is " << setprecision(1) << avg; return 0; }