#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<ctype.h>
//第二題
int Count_A(char a[]);
int Count_alpha(char a[]);
int isori(char a);
void Count_every_num(char a[],int b[]);
void Count_every_alpha(char a[],int b[]);
int main()
{
int CountNum[10] = {0,0,0,0,0,0,0,0,0,0};
int CountAlpha[255];
char str[50];
int countA = 0,countAlpha=0;
int i = 0, n = 0;
printf("輸入字符串:");
gets(str);
while (str[i] != '\0')
{
if (str[i] >= '0'&&str[i] <= '9') n++;
i++;
}
for (i = 0; i < 255; i++)
CountAlpha[i] = 0;
countA = Count_A(str);
countAlpha = Count_alpha(str);
Count_every_alpha(str, CountAlpha);
Count_every_num(str, CountNum);
//printf("其中的數字個數是: %d\n", n);
//Count_every_num(str,Count_num);
printf("其中字母A的個數是%d\n字母的個數爲%d\n", countA,countAlpha);
printf("其中每個字母的個數爲\n");
for (i = 0; i < 255; i++)
{
if (CountAlpha[i] != 0)
{
printf("%c有%d個\n", i, CountAlpha[i]);
}
}
printf("其中每個元音字母的個數爲\n");
for (i = 0; i < 255; i++)
{
if ((CountAlpha[i] != 0) && (isori(i)==1))
{
printf("%c有%d個\n", i, CountAlpha[i]);
}
}
printf("其中每個數字的個數爲\n");
for (i = 0; i < 10; i++)
printf("%d有%d個\n", i, CountNum[i]);
return 0;
}
int Count_A(char a[])
{
int count = 0;
int i = 0;
while (a[i] != '\0')
{
if (a[i] == 'A')
count++;
i++;
}
return count;
}
int Count_alpha(char a[])
{
int count = 0;
int i = 0;
while (a[i] != '\0')
{
if (isalpha(a[i]))
count++;
i++;
}
return count;
}
void Count_every_alpha(char a[], int b[])
{
int i = 0;
while (a[i] != '\0')
{
if (isalpha(a[i]))
b[a[i]]++;
i++;
}
}
int isori(char a)//判斷字母是否爲元音
{
int re = 0;
if (a == 'A' || a == 'a' || a == 'E' || a == 'e' || a == 'I' || a == 'i' || a == 'O' || a == 'o' || a == 'U' || a == 'u')
re = 1;
return re;
}
void Count_every_num(char a[],int b[])
{
int i = 0;
while (a[i] != '\0')
{
if (isdigit(a[i]))
b[a[i]-48]++;//48爲0的ASC碼
i++;
}
}
提高篇第28-31課第二題
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