Update README.md

README.md

@@ -209,67 +209,68 @@ int main() {
 #include<stdio.h>
 #include<string.h>
 #define N 3
-
 struct stu_info
 {
-	char num[20];
-	int cls,flag;
-	char name[20];
-	float math,physics,english,total;
-};
-
-struct stu_info stu[N]={{"10001",11,1,"Zhang",99.5,88.5,89.5},
-						{"10002",12,1,"Yang",77.9,56.5,87.5},
-						{"10003",11,1,"Liang",92.5,99.0,60.5}};
-
-
-void del(struct stu_info* stu,const char* key)
+char num[20];
+int cls,flag;
+char name[20];
+float math,physics,english,total;
+}stu[N]={"10001",11,1,"Zhang",99.5,88.5,89.5,0,"10002",12,1,"Yang",77.9,56.5,87.5,0,"10003",11,1,"Liang",92.5,99.0,60.5,0};
+void del(struct stu_info stu[],const char key[])
 {
-	int i,exist=0;
-	for (i=0;i<N;i++)
-	{
-		if(strcmp((stu+i)->num,key)==0||strcmp((stu+i)->name,key)==0)
-		{
-			(stu+i)->flag=0;
-			exist=1;
-		}
-	}
-	for(i=0;i<N;i++) if((stu+i)->flag) printf("%s %d %s %.1f %.1f %.1f\n",stu[i].num,stu[i].cls,stu[i].name,stu[i].math,stu[i].physics,stu[i].english);
-	if(exist)
-	{
-		char yn;
-		printf("Are you sure(yes[表情])?\n");
-		scanf(" %c",&yn);
-		if(yn=='y')
-		{
-			int st=0;
-			for(i=0;i<N-1;i++)
-			{
-				if(!(stu+i)->flag||st==1)
-				{
-					st=1;
-					*(stu+i)=*(stu+i+1);
-				}
-			}
-			return;
-		}
-		else if(yn=='n')
-		{
-			for(i=0;i<N;i++)
-			{
-				stu[i].flag=1;
-				printf("%s %d %s %.1f %.1f %.1f\n",stu[i].num,stu[i].cls,stu[i].name,stu[i].math,stu[i].physics,stu[i].english);
-			}
-		}
-	}
+int i,exist=0,j;
+struct stu_info t;
+for(i=0;i<N;i++)
+stu[i].total=stu[i].math+stu[i].physics+stu[i].english;
+for(i=0;i<(N-1);i++){
+for(j=i+1;j<N;j++){
+if(stu[j].total>=stu[i].total)
+              {t=stu[i];
+              stu[i]=stu[j];
+              stu[j]=t;
+          }
+           }
+}
+for (i=0;i<N;i++)
+{   
+if((strcmp((stu+i)->num,key)==0)||(strcmp((stu+i)->name,key)==0))
+{
+stu[i].flag=0;
+exist=1;
+}
+}
+int a;
+    if(exist){
+       for(a=11;a<=12;a++){
+       	for(i=0;i<N;i++){
+       		if(stu[i].flag&&stu[i].cls==a)
+       		printf("%s %d %s %.1f %.1f %.1f\n",stu[i].num,stu[i].cls,stu[i].name,stu[i].math,stu[i].physics,stu[i].english);
+		   }
+}
+}
+else if(!exist){
+for(i=0;i<N;i++)
+printf("%s %d %s %.1f %.1f %.1f\n",stu[i].num,stu[i].cls,stu[i].name,stu[i].math,stu[i].physics,stu[i].english);
+}
+
+printf("Are you sure(yes[表情])?\n");
+char ch2;
+scanf("%c",&ch2);
+if(ch2=='y'){
+return;
+}
+else if(ch2=='n'){
+for(i=0;i<N;i++)
+printf("%s %d %s %.1f %.1f %.1f\n",stu[i].num,stu[i].cls,stu[i].name,stu[i].math,stu[i].physics,stu[i].english);
+}
 }
 
 int main()
 {
 	char key[20];
-	scanf("%s",key);
-	del(stu,key);
-	return 0;
+gets(key);
+del(stu,key);
+return 0;
 }
 第6步骤
 #include<stdio.h>