Delete 'step3'

step3

@@ -1,36 +0,0 @@
-#include<stdio.h>
-
-int main()
-{
-	printf("                              1.Input\n");
-	printf("                              2.Output\n");
-	printf("                              3.Order\n");
-	printf("                              4.Quit\n");
-	
-	char x;
-	scanf("%c",&x);
-	switch(x){
-		case 'o':printf("You are trying to Output info");break;
-		case 'm':printf("You are trying to Make things ordered");break;
-		case 'q':printf("You are about to Quit");break;
-		case 'i':printf("Please input info of the three students:");
-			int i=0;
-			int stn[3];
-			float gsc[3],dwc[3],eyc[3],sum[3];
-			
-			for(i=0;i<3;i++){
-				scanf("%d",&stn[i]);
-				scanf("%f",&gsc[i]);
-				scanf("%f",&dwc[i]);
-				scanf("%f",&eyc[i]);
-			}
-			for(i=0;i<3;i++){
-				sum[i]=gsc[i]+dwc[i]+eyc[i]; 
-		    }
-		    //缺排序加输出 
-			
-		break;
-		default:printf("Wrong input\n");break;
-	}
-	return 0;
-}