README.md

@@ -829,104 +829,123 @@ end
 
 //函数功能：按姓名查找学生成绩并显示查找结果
 ```
-function SearchbyName(STU stu[],int n,int m) do
+void SearchbyName(STU stu[],int n,int m)
+{
     char x[MAX_LEN];
     int i,j;
-    printf "Input the name you want to search:"
-    input x
-    for from i=0 to n-1 do
-        if strcmp(stu[i].name,x)==0 do
-                printf "%ld\t%s\t",stu[i].num,stu[i].name"
-                for from j=0 to m-1 do
-                        printf "%.0f\t"
-                end
-                printf ".0f\t%.0f\n"
+    printf("Input the name you want to search:");
+    scanf("%s", x);
+    for(i=0;i<n;i++)
+    {
+        if(strcmp(stu[i].name,x)==0)
+        {
+                printf("%ld\t%s\t",stu[i].num,stu[i].name);
+                for(j=0;j<m;j++)
+                {
+                        printf("%.0f\t",stu[i].score[j]);
+                }
+                printf(".0f\t%.0f\n",stu[i].sum,stu[i].aver);
                 return;
-        end
-    end
-    printf "\nNot found!\n"
-end
+        }
+    }
+    printf("\nNot found!\n");
+}
 ```
 
 //函数功能：统计各分数段的学生人数及所占的百分比
 ```
-funtion StatisticAnalysis(STU stu[],int n,int m) do
+void StatisticAnalysis(STU stu[],int n,int m)
+{
         int i,j,t[6];
-        for from j=0 do m-1 do
-                printf "For course %d:\n"
+        for(j=0;j<m;j++)
+        {
+                printf("For course %d:\n",j+1);
                 memset(t,0,sizeof(t));        //将数组 t 的全部元素初始化为0
-                for from i=0 to n-1 do
-                        if stu[i].score[j]>=0&&stu[i].score[j]<60 set t[0]++
-                        else if stu[i].score[j]<70   set t[1]++;
-                        else if stu[i].score[j]<80   set t[2]++;
-                        else if stu[i].score[j]<90   set t[3]++;
-                        else if stu[i].score[j]<100  set t[4]++;
-                        else if stu[i].score[j]==100 set t[5]++;
-                end
-                for from i=0 to 4 do
-                        if i==0 printf "<60\t%d\t%.2f%%\n"
-                        else if i==5 printf "%d\t%d\t%.2f%%\n"
-                        else printf "%d-%d\t%d\t%.2f%%\n"
-                end
-        end
-end
+                for(i=0;i<n;i++)
+                {
+                        if(stu[i].score[j]>=0&&stu[i].score[j]<60) t[0]++;
+                        else if(stu[i].score[j]<70)    t[1]++;
+                        else if(stu[i].score[j]<80)    t[2]++;
+                        else if(stu[i].score[j]<90)    t[3]++;
+                        else if(stu[i].score[j]<100)   t[4]++;
+                        else if(stu[i].score[j]==100)  t[5]++;
+                }
+                for(i=0;i<=5;i++)
+                {
+                        if(i==0) printf("<60\t%d\t%.2f%%\n",t[i],(float)t[i]/n*100);
+                        else if(i==5) printf("%d\t%d\t%.2f%%\n",(i+5)*10,t[i],(float)t[i]/n*100);
+                        else printf("%d-%d\t%d\t%.2f%%\n",(i+5)*10,(i+5)*10+9,t[i],(float)t[i]/n*100);
+                }
+        }
+}
 
 ```
 
 //函数功能：打印学生成绩
 ```
-function PrintScore(STU stu[],int n,int m) do
+void PrintScore(STU stu[],int n,int m)
+{
         int i,j;
-        for from i=0 to n-1 do
-                printf "%ld\t%s\t"
-                for from j=0 to m-1 do
-                        printf "%.0f\t"
-                end
-                printf "%.0f\t%.0f\n"
-        end
-end
+        for (i=0; i<n; i++)
+        {
+                printf("%ld\t%s\t", stu[i].num, stu[i].name);
+                for (j=0; j<m; j++)
+                {
+                        printf("%.0f\t", stu[i].score[j]);
+                }
+                printf("%.0f\t%.0f\n", stu[i].sum, stu[i].aver);
+        }
+}
 ```
 
 //输出 n 个学生的学号、姓名及 m 门课程的成绩到文件 student.txt 中
 ```
-function WritetoFile(STU stu[],int n,int m) do
+void WritetoFile(STU stu[],int n,int m)
+{
         FILE *fp;
         int i, j;
 
-        if fp = fopen("student.txt","w") == NULL do
-                printf "Failure to open score.txt!\n"
+        if((fp = fopen("student.txt","w")) == NULL)
+        {
+                printf("Failure to open score.txt!\n");
                 exit(0);
-        end
+        }
         fprintf(fp, "%d\t%d\n", n, m);    //将学生人数和课程门数写入文件
-        for from i=0 to n-1 do
+        for (i=0; i<n; i++)
+        {
                 fprintf(fp, "%10ld%10s", stu[i].num, stu[i].name);
-                for from j=0 to m-1 do
+                for (j=0; j<m; j++)
+                {
                         fprintf(fp, "%10.0f", stu[i].score[j]);
-                end
+                }
                 fprintf(fp, "%10.0f%10.0f\n", stu[i].sum, stu[i].aver);
-        end
+        }
         fclose(fp);
-end
+}
 ```
 
 //从文件中读取学生的学号、姓名及成绩等信息写入到结构体 stu 中
 ```
-function ReadfromFile(STU stu[],int *n,int *m) do
+void ReadfromFile(STU stu[],int *n,int *m)
+{
     	FILE *fp;
 	int i, j;
-	if fp = fopen("student.txt","r") == NULL do
-		printf "Failure to open score.txt!\n"
+	if ((fp = fopen("student.txt","r")) == NULL) 
+	{ 
+		printf("Failure to open score.txt!\n");
 		exit(0);
-	end
+	}
         fscanf(fp, "%d\t%d", n, m); //从文件中读出学生人数，课程门数    
-	for from i=0 to *n-1 do //学生人数保存在n指向的储存单元
+	for (i=0; i<*n; i++)  //学生人数保存在n指向的储存单元
+	{
 		fscanf(fp, "%10ld", &stu[i].num);
 		fscanf(fp, "%10s", stu[i].name);  
-		for  form j=0 to *m-1 do //课程门数保存在m指向的储存单元
+		for (j=0; j<*m; j++) //课程门数保存在m指向的储存单元
+		{
 			fscanf(fp, "%10f", &stu[i].score[j]);          //不能用%10.0f
-		end
+		}
 		fscanf(fp, "%10f%10f", &stu[i].sum, &stu[i].aver);  //不能用%10.0f
-	end
+	}
 	fclose(fp);	
-end
+}
 ```