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Lab9/2.c

+#include <stdio.h>
+float average(int* x,int y);
+int max(int* x,int y);
+int min(int* x,int y);
+int main()
+{
+	int choice,n,i;
+	float result;
+	i = 0;
+	puts("write the number of values in array");
+	scanf("%d", &n);
+	
+	int ThisArray[n];
+	puts("the first element is array");
+	while(i<n){
+		scanf("%d", &ThisArray[i]);
+	    i=i+1;
+	  
+	    if (i<n){
+			printf("print another number\n");
+			}
+	 }
+	 printf("thank you for numbers\n");
+			
+	
+	printf("\n");
+	printf("\n");
+	puts("What do you want to do with numbers?");
+	puts("for average write 1 ");
+	puts("for max write 2 ");
+	puts("for min write 3 ");
+
+	do{
+		puts("make a choice ");
+		scanf("%d", &choice);
+	}while(choice < 1 || choice > 4);
+
+	switch(choice){
+		
+		case 1:
+			result=average(ThisArray,n);
+			break;
+		case 2:
+			
+			result=max(ThisArray,n);
+			
+			break;
+		case 3:
+			result=min(ThisArray,n);
+			break;
+		
+		
+		}
+		printf("%f",result);
+	return 0;
+}
+
+float average(int* x,int y){
+	int sum,i;
+	float avg;
+ i=0;
+ sum=0;
+while(i<y){
+
+		sum=sum+x[i];
+		i=i+1;
+	}
+		avg=sum/y;
+	return(avg);
+	}
+	
+int max(int* x,int y){
+	int maxVal,i;
+	maxVal=x[0];
+	i=1;
+	while(i<y){
+		if (maxVal<x[i])
+		{
+			maxVal=x[i];
+			}
+		i=i+1;
+		}
+	return(maxVal);
+	}
+
+int min(int* x,int y){
+	int maxVal,i;
+	maxVal=x[0];
+	i=1;
+	while(i<y){
+		if (maxVal > x[i])
+		{
+			maxVal=x[i];
+			}
+		i=i+1;
+		}
+	return(maxVal);
+	}