static int count(string sentence)
{
int count = 0;
string[] words = new string[100];
words = sentence.Split(' ');
for (int i = 0; i < words.Length; i++)
{
if (words[i] != "")
count++;
}
return count;
}
string sent = Console.ReadLine(); ;
Console.WriteLine("{0}里面共有{1}个单词", sent, count(sent));
public static string AddDollar(string sentence)
{
string st = string.Empty;
for (int i = 0; i < sentence.Length; i++)
{
if (char.IsLetter(sentence[i]))
{
st += sentence[i] + "$";
}
else
{
st += sentence[i];
}
}
return st;
}
string st = Console.ReadLine();
Console.WriteLine("加￥后结果为{0}", AddDollar(st));
找最长单词
static string getLongWord(string sentense)
{
string word = "";
string[] words = new string[100];
words = sentense.Split(' ');
for (int i = 0; i < words.Length; i++)
{
if (word.Length < words[i].Length)
{
word = words[i];
}
}
return word;
}
string st = Console.ReadLine();
Console.WriteLine("最长的单词是：{0}", getLongWord(st));
public static void getMaxMinAverSum(out int max, out int min, out double aver, out int sum)
{
int[] nums = new int[10];
max = 0;
min = 50;
sum = 0;
Random rnd = new Random();
for (int i = 0; i < nums.Length; i++)
{
nums[i] = rnd.Next(20, 51);
if (max < nums[i])
max = nums[i];
if (min > nums[i])
min = nums[i];
sum += nums[i];
Console.Write("{0},", nums[i]);
}
aver = (double)sum / nums.Length;
}
int max, min, sum;
double aver;
getMaxMinAverSum(out max, out min, out aver, out sum);
Console.WriteLine("最大值{0}，最小值{1}，平均值{2}，和{3}", max, min, aver, sum);
