在 C++ 中的一行中插入多个输入
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Insert multiple inputs on one line in C++
提问by mmimaa
I'm trying to insert multiple inputs on one line, with comma and a space between the inputs. The method I've been using so far separates inputs with spaces.
我试图在一行上插入多个输入,输入之间用逗号和空格。到目前为止,我一直在使用的方法将输入与空格分开。
int a, b , c ,d
cin >> a >> b >> c >> d ;
With this method , the input line looks like this :
使用此方法,输入行如下所示:
1 2 3 4
But I want to be able to input data like this:
但我希望能够输入这样的数据:
1, 2, 3, 4
回答by Kerrek SB
The delimiter character for >>
isn't modifiable, but you can use it in combination with ignore
:
for 的分隔符>>
不可修改,但您可以将其与 结合使用ignore
:
std::cin >> a;
std::cin.ignore(1, ',')
// rinse and repeat
回答by Nawaz
You can do this:
你可以这样做:
int main() {
int a,b,c,d;
char comma;
std::cin >> a >> comma >> b >> comma >> c >> comma >> d;
std::cout << a << " " << b << " " << c << " " << d << std::endl;
return 0;
}
Input:
输入:
1, 2, 3, 4
Output:
输出:
1 2 3 4
Demo : http://www.ideone.com/tXQZd
回答by Bruno Alano
In C / C++, you only need do this:
在 C/C++ 中,你只需要这样做:
scanf("%d, %d, %d, %d", &a, &b, &c, &d);
You only need include the <cstdio>
你只需要包括 <cstdio>