Merge pull request '按学号查找成绩' (#2) from p2pwza8cv/System:按学号查找成绩 into master

按学号查找成绩

@@ -0,0 +1,12 @@
+//函数功能：按学号查找学生成绩并显示查找结果
+void SearchbyNum(STU stu[], int n, int m)
+{
+  long number;
+  int i, j;
+  printf("Input the number you want to search:)
+  scanf("%ld",&number);
+  
+  
+  
+         printf("\nNot found!\n");
+}