输入3个实数,按递增顺序输出。注意使用if语句编写程序。C++
时间: 2024-02-20 08:56:43 浏览: 35
好的,以下是 C++ 的代码实现:
```c++
#include <iostream>
using namespace std;
int main() {
float a, b, c;
cout << "请输入三个实数:";
cin >> a >> b >> c;
if (a <= b && b <= c) {
cout << a << " " << b << " " << c;
}
else if (a <= c && c <= b) {
cout << a << " " << c << " " << b;
}
else if (b <= a && a <= c) {
cout << b << " " << a << " " << c;
}
else if (b <= c && c <= a) {
cout << b << " " << c << " " << a;
}
else if (c <= a && a <= b) {
cout << c << " " << a << " " << b;
}
else {
cout << c << " " << b << " " << a;
}
return 0;
}
```
代码中,我们通过多个 if 语句来判断三个实数的大小关系,最终按递增顺序输出。值得注意的是,C++ 中的输入输出需要使用 `cin` 和 `cout`。