题解 | 成绩
成绩
https://www.nowcoder.com/practice/1dace93b7f5b452a804a6e10ff8b5fec
#include <iostream>
using namespace std;
int main() {
int a, b, c, d = 0;
cin >> a >> b >> c;
d = a * 0.2 + b * 0.3 + c * 0.5;
cout << d << endl;
return 0;
}
// 64 位输出请用 printf("%lld")
