#include <iostream>
using namespace std;
int main() {
int points;
cout << "Enter the points the student received (0-100):";
cin >> points;
cout << "\n Grade: ";
if (points >= 0 && points <= 50) {
cout << "ndst\n";
}
else if (points >= 51 && points <= 60) {
cout << "dop\n";
}
else if (points >= 61 && points <= 70) {
cout << "dst\n";
}
else if (points >= 71 && points <= 80) {
cout << "db\n";
}
else if (points >= 81 && points <= 90) {
cout << "bdb\n";
}
else if (points >= 91 && points <= 100) {
cout << "cel\n";
}
else {
cout << "Invalid points! Enter a value between 0 and 100.\n";
}
return 0;
}
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