AcWing 661. 平均数3
原题链接
中等
作者:
h3k
,
2024-02-24 00:56:52
,
所有人可见
,
阅读 34
#include <iostream>
using namespace std;
int main() {
double n1, n2, n3, n4, n5;
cin >> n1 >> n2 >> n3 >> n4;
// 2 3 4 1
double x = n1 * 0.2 + n2 * 0.3 + n3 * 0.4 + n4 * 0.1;
printf("Media: %.1lf\n", x );
if( x >= 7.0 ) puts("Aluno aprovado.");
else if( x < 5.0 ) puts("Aluno reprovado.");
else {
puts("Aluno em exame.");
cin >> n5;
cout << "Nota do exame: " << n5 << endl;
double z = ( x + n5 ) / 2.0;
if( z >= 5.0 ) puts("Aluno aprovado.");
else puts("Aluno reprovado.");
cout << "Media final: " << z << endl;
}
return 0;
}