输入数据在Init函数中对我有用。但是，一旦我输入了一些名称并询问了现有名称或不存在名称的分数，它总是会返回名字的等级
我创建两个数组。名称之一，等级之一。 检查它们是否符合我们定义的所有“专有名称”条款。 使用另一个名称并检查它是否在数据库中。如果是，则返回分数，如果不返回-1
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int Data_duplication(char* temp, char** names, int line);
void Init(char*** names, int** grades, int* size);
int Find(char** names, int* grades, int size, char* name);
void FreeAll(char*** names, int** grades, int size);
int main()
{
char** Names = NULL;
int* Grades = NULL;
int size,grade;
char name[SIZE] = { 0 };
Init(&Names, &Grades, &size);
printf("Enter a student name\n");
scanf("%s",name);
grade=Find(Names, Grades, size, name);
printf("%d", grade);
FreeAll(&Names, &Grades, size);
return 0;
}
void Init(char*** names, int** grades, int* size)
{
int i, j, flag;
int strlengh;
char temp[SIZE] = { 0 };
printf("Enter number of students\n");
scanf("%d", size);
*names = (char**)malloc((*size) * sizeof(char*));
if (!(*names))
{
printf("Error");
return;
}
*grades = (int*)malloc((*size) * sizeof(int));
if (!*grades)
{
printf("Error");
return;
}
for (i = 0;i < *size;i++)
{
printf("Enter a name\n");
scanf("%s", temp);
strlengh = strlen(temp);
do
{
flag = 1;
if (strlen(temp) > 20)//if it longer then it should be
flag = 0;
if (temp[0] > 'Z' || temp[0] < 'A') //start with capital letter
flag = 0;
for (j = 1;temp[j] != '\0';j++)//all the letter is a lower case letters except from the first
{
if (temp[j] > 'z' || temp[j] < 'a')
{
flag = 0;
break;
}
}
if (Data_duplication(temp, *names, i))//if its not a name that already entered
{
flag = 0;
}
if (flag)//if the name is ok
{
(*names)[i] = (char*)malloc((strlengh + 1) * sizeof(char));
if (!(*names)[i])
{
printf("Error");
return;
}
strcpy((*names)[i], temp);
}
else//if somthing wrong
{
printf("Bad name,try again.\n");
scanf("%s",temp);
}
} while (!flag);
printf("Enter grade\n");
scanf("%d", (*grades + i));
while ( *(*grades + i) < 0 || *(*grades + i) > 100)//if the grade between 0 to 100
{
printf("Bad grade,try again.\n");
scanf("%d", (*grades + i));
}
}
}
int Data_duplication(char* temp, char** names, int line)//find if there is another name like this that already entered
{
for (int i = 0;i < line;i++)
{
if (!strcmp(temp, names[i]))
{
return 1;
}
}
return 0;
}
int Find(char** names, int* grades, int size, char* name)
{
int i;
for (i=0;i < size;i++)
{
if (strcmp(name,names[i])==0);
{
return (*(grades+i));
}
}
return -1;
}
void FreeAll(char*** names, int** grades, int size)//free al the dynamic memo allocation
{
for (int i = 0;i < size;i++)
{
free(*(*names + i));
}
free(*names);
free(*grades);
}
