# include & ltstdio.h & gt
#定義編號10
#包含“stdio.h”
int main()
{
char s[100];
int n,m,k,I = 0;
n = m = k = 0;
獲取;
while(s[i]!='\0')
{ if(s[I]& gt;= ' A ' & amp& amps[I]& lt;= ' Z ')n++;
if(s[I]& gt;= ' a ' & amp& amps[I]& lt;= ' z ')m++;
if(s[I]& gt;= ' 0 ' & amp& amps[I]& lt;= ' 9 ')k++;
i++;
}
Printf("大寫字母:%d小寫字母%d數字%d\n ",n,m,k);
}
第六個問題:
# include & ltstdio.h & gt
#定義編號10
#包含“stdio.h”
int main()
{ int a,I,j;
scanf("%d ",& ampa);
I = j = 0;
而(a!=0)
{ if(a & gt;0)i++;
如果(a & lt0)j++;
scanf("%d ",& ampa);
}
Printf("正整數:%d負整數%d \n ",I,j);
}