4.2 OJ编程题输入数据的处理

快来打我* 2022-05-20 05:17 165阅读 0赞

![70][]![70 1][]

#include<iostream>
    #include<cstdio>
    int main()
    {
    	int n, m;
    	printf("%d",scanf("%d%d", &n, &m));
    	return 0;
    }

![70 2][]

![70 3][]

![70 4][]

![70 5][]![70 6][]

![70 7][]

#include<iostream>
    #include<cstdio>
    using namespace std;
    int main()
    {
    	int n, m;
    	//while(scanf("%d%d", &n, &m) != EOF)//按住Ctrl+Z+Enter时终止读入
    	//while(scanf("%d%d", &n, &m) == 2)//scanf("%d%d", &n, &m)返回值为2
    	while(cin >> n >> m)
    	{
    		printf("%d\n", n+m);
    	}
    	return 0;
    }

![70 8][]![70 9][]![70 10][]

#include<iostream>
    #include<cstdio>
    using namespace std;
    int main()
    {
    	int n, maxn = 0;
    	//while(scanf("%d", &n) != EOF)
    	//while(scanf("%d", &n) == 1)//scanf("%d", &n)读入一个数，返回值为1
    	while(cin >> n)
    	{
    		if(n > maxn) maxn = n;
    	}
    	printf("%d",maxn);
    }

【备注】3种表达方式都是正确的。

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[70 1]: /images/20220520/5beb7a333ea048de82e09d9be8339667.png
[70 2]: /images/20220520/0bdee01fe1284c0693eff6b43bee5a4f.png
[70 3]: /images/20220520/3425604c24cd48049e4300f3c037deb6.png
[70 4]: /images/20220520/835430d41b344e45bb941ef00987907b.png
[70 5]: https://img-blog.csdn.net/20180713004507739?watermark/2/text/aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3lhbnlhbndlbm1lbmc=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70
[70 6]: /images/20220520/e12681a19e414e8aad4761d44c619f8b.png
[70 7]: /images/20220520/d6d2c6fe32d34d9c9454b9dc8f3f799f.png
[70 8]: https://img-blog.csdn.net/2018071300451838?watermark/2/text/aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3lhbnlhbndlbm1lbmc=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70
[70 9]: https://img-blog.csdn.net/20180713004523570?watermark/2/text/aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3lhbnlhbndlbm1lbmc=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70
[70 10]: /images/20220520/ebf4aa9a7c014a65bed0bf20416746c4.png