diff --git a/bd6096c6001c347d51fa34d55a897e19_1bac75b180f4d29671ce958dfd00e50c_8.c b/bd6096c6001c347d51fa34d55a897e19_1bac75b180f4d29671ce958dfd00e50c_8.c
new file mode 100644
index 0000000..ec7550b
--- /dev/null
+++ b/bd6096c6001c347d51fa34d55a897e19_1bac75b180f4d29671ce958dfd00e50c_8.c
@@ -0,0 +1,55 @@
+#include<stdio.h>
+struct Scoreb{
+	int schoolnumber;
+	int classnumber;
+	char name[20];
+	float math;
+	float physics;
+	float english;
+	float sum;
+};
+int main(){int i,j,k,m;
+	//初始化 
+struct Scoreb student1={10001,11,"Zhang",99.5,88.5,89.5,277.5};
+    struct Scoreb student2={10002,12,"Yang",77.9,56.5,87.5,221.9};
+	struct Scoreb student3={10003,11,"Liang",92.5,99.0,60.5,252};	
+	struct Scoreb students[3] = {student1,student2,student3};
+	//修改信息 
+	struct Scoreb schange;printf("依次输入学号班级姓名三科成绩：");
+	scanf("%d%d%s%f%f%f",&schange.schoolnumber,&schange.classnumber,&schange.name,&schange.math,&schange.physics,&schange.english);int c=schange.schoolnumber;
+	for(m=0;m<3;m++){
+		if(schange.schoolnumber==students[m].schoolnumber){
+			schange.sum = schange.math+schange.physics+schange.english;
+			students[m]=schange;
+		}	
+	}
+	//排序	
+	for(j = 0 ; j < 3 ; j++)
+		for(k = 2; k > j;k--){
+			if(students[k].classnumber <students[k-1].classnumber){
+				struct Scoreb temp1 = students[k-1];
+				students[k-1] = students[k];
+				students[k] = temp1;
+			//按照班级号排名 
+			}else if(students[k].classnumber == students[k-1].classnumber){
+				if(students[k].sum>students[k-1].sum){
+				struct Scoreb temp2 = students[k-1];
+				students[k-1] = students[k];
+				students[k] = temp2;
+				}//由高到低 
+			//内嵌一个比较 
+			//按照总成绩排名 
+			}
+		}
+	//输出 
+	for(i = 0; i < 2 ; i++){
+		printf("%d %d %s %.1f %.1f %.1f\n",students[i].classnumber,students[i].schoolnumber,students[i].name,students[i].math,students[i].physics,students[i].english);
+		if(c==students[i].schoolnumber)printf("modified");if(students[0].classnumber==students[1].classnumber)
+		{
+		printf("   %d %s %.1f %.1f %.1f\n",students[1].schoolnumber,students[1].name,students[1].math,students[1].physics,students[1].english);break;}
+	}
+	printf("%d %d %s %.1f %.1f %.1f",students[2].classnumber,students[2].schoolnumber,students[2].name,students[2].math,students[2].physics,students[2].english);
+	if(c==students[2].schoolnumber)printf(" modified");
+	return 0; 
+
+}