C++ examples for Statement:for
Use nested for loop to read student grade and calculate average
#include <iostream> using namespace std; int main()/*from w w w . j ava 2 s. c o m*/ { const int NUMGRADES = 4; const int NUMSTUDENTS = 20; int i, j; double grade, total, average; for (i = 1; i <= NUMSTUDENTS; i++) // start of outer loop { total = 0; // clear total for this student for (j = 1; j <= NUMGRADES; j++) // start of inner loop { cout << "Enter an examination grade for this student: "; cin >> grade; total = total + grade; // add the grade to the total } // end of inner for loop average = total / NUMGRADES; // calculate the average cout << "\nThe average for student " << i << " is " << average << "\n\n"; } // end of outer for loop return 0; }