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switch.c

+#include <stdio.h>
+
+int add(int a,int b);       
+
+
+int subtract(int a,int b);       
+
+
+int multiplication(int a,int b);       
+
+int division(int a,int b);       
+
+int main ()  {
+int a;
+int b;
+char operator;
+    printf("Enter two numbers:\n");
+    scanf("%d %d",&a, &b);
+
+	printf("Please, enter an operator: +,-,*,: \n");
+    scanf(" %c", &operator);
+
+switch(operator)
+    {
+        case '+':
+            printf("%d + %d = %d",a,b,add(a,b));
+            break;
+
+        case '-':
+            printf("%d - %d = %d",a,b,subtract(a,b));
+            break;
+
+        case '*':
+            printf("%d * %d = %d",a,b,multiplication(a,b));
+            break;
+
+        case '/':
+            printf("%d / %d = %d",a,b,division(a,b));
+            break;
+
+        default:
+            printf("Operator is not correct");
+    }
+
+
+
+
+return 0;
+
+}
+int add(int a,int b)       
+{
+    
+    return a+b;                  
+}
+
+int subtract(int a,int b)       
+{
+    
+    return a-b;                  
+}
+
+int multiplication(int a,int b)       
+{
+    
+    return a*b;                  
+}
+
+int division(int a,int b)       
+{
+    
+    return a/b;                  
+}
+