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// input -> calculate average #include <string> // to use string datatype #include <iostream> using namespace std; int main() { // declaring variables float prelimGrade,midtermGrade,finalGrade,average; string name; // input/output cout << "input name: "; getline(cin,name); cout << "input prelim grade: "; cin >> prelimGrade; cout << "input midterm grade: "; cin >> midtermGrade; cout << "input final grade: "; cin >> finalGrade; // average calculation average=(prelimGrade+midtermGrade+finalGrade)/3; if (average >=97) cout << "Letter Grade A+.\nEquivalent: 4.0" << endl; else if (average >=93) cout << "Letter Grade A+.\nEquivalent: 4.0" << endl; else if (average >=90) cout << "Letter Grade A-.\nEquivalent: 3.7" << endl; else if (average >=87) cout << "Letter Grade B+.\nEquivalent: 3.3" << endl; else if (average >=83) cout << "Letter Grade B.\nEquivalent: 3.0" << endl; else if (average >=80) cout << "Letter Grade B-.\nEquivalent: 2.7" << endl; else if (average >=77) cout << "Letter Grade C+.\nEquivalent: 2.3" << endl; else if (average >=73) cout << "Letter Grade C.\n Equivalent: 2.0" << endl; else if (average >=70) cout << "Letter Grade C-+.\nEquivalent: 1.7" << endl; else if (average >=67) cout << "Letter Grade D+.\nEquivalent: 1.3" << endl; else if (average >=65) cout << "Letter Grade D.\nEquivalent: 1.0" << endl; else if (average < 65) cout << "Letter Grade F.\nEquivalent: 0.0" << endl; // success execution return 0; }
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