给定一个数组
如string [] strName = {"中国","武汉","北京","南宁","武汉","广州","北京","西藏,"武汉"}
用一个算法来求出此数组中出现次数最多的元素,在这个数组中次数最多的元素就是"武汉"
谢谢大家了啊
如string [] strName = {"中国","武汉","北京","南宁","武汉","广州","北京","西藏,"武汉"}
用一个算法来求出此数组中出现次数最多的元素,在这个数组中次数最多的元素就是"武汉"
谢谢大家了啊
string mostOften = "";
int occurrence = 0; Dictionary<string, int> statistics = new Dictionary<string, int>();
foreach (string str in strName)
{
if (statistics.ContainsKey(str))
{
int i = statistics[str] + 1;
statistics[str] = i; if( i> occurrence)
{
mostOften = str;
occurrence = i;
}
}
else
{
statistics[str] = 1;
}
} MessageBox.Show(mostOften + ": " + occurrence);
不过在2003上面会在“int i = statistics[str] + 1” “+”无法运用与object和int间操作
Dictionary<string, int> 这个类型没有