Add 多函数集合

多函数集合

@@ -0,0 +1,60 @@
+#include<iostream>
+#include<cstring>
+using namespace std;
+void  charge()//统计出其中大写字母、小写字母、数字、空格和其他字符的个数 
+{
+    char a[11];
+    gets(a);
+    int big=0,small=0,s=0,k=0,others=0,i;
+    for(i=0;a[i];i++)
+    {
+        if(a[i]>='A'&&a[i]<='Z')big++;
+        else if(a[i]>='a'&&a[i]<='z')small++;
+        else if(a[i]>='0'&&a[i]<='9')s++;
+        else if(a[i]==' ')k++;
+        else others++;
+    }
+    printf("%d %d %d %d %d",big,small,s,k,others);
+}
+void fun()//判断是否为素数
+{
+	int m,sum=0;
+	cin>>m;
+	for(int i=2;i<=m-1;i++)
+	{
+		if(m%i==0)sum++;
+	}
+	if(!sum&&m>=2) printf("YES\n");
+	else printf("NO\n");
+}
+void print()//输出菱形图形
+{
+	int n;
+	cin>>n;
+	   for (int i=1;i<=n;i++)
+    {
+        for (int j=1;j<=n-i;j++)printf(" ");
+        for (int j=1;j<2*i;j++)printf("*");
+        for (int j=1;j<=n-i;j++)printf(" ");
+        printf("\n");
+    }
+    for (int i=n-1;i>0;i--)
+    {
+        for (int j=1;j<=n-i;j++)printf(" ");
+        for (int j=1;j<2*i;j++)printf("*");
+        for (int j=1;j<=n-i;j++)printf(" ");
+        printf("\n");
+    }
+}
+int main()
+{
+	int n;
+	cin>>n;
+	if(n==1)
+charge();
+if(n==2)
+fun();
+if(n==3)
+print();
+return 0;	
+}