C++ 编程练习：商场折扣计算

#include #include //用于设置输出小数点后的位数

using namespace std;

int main() { int N; cin >> N;

int total = 0;
for (int i = 0; i < N; i++) {
    int price;
    cin >> price;
    total += price;
}

double finalPrice;
if (total > 100) {
    finalPrice = total * 0.9;
} else {
    finalPrice = total;
}

cout << fixed << setprecision(2) << finalPrice << endl;

return 0;

}