void main()
{
char a[100]="I am a student!";
int num=0;
int i=0;
char c='a';
cout<<"input the str"<<endl;
while((a[i]=getchar())!='\n')
{
i++;
}
cout<<"what do you want to find?"<<endl;
cin>>c;
int n=0;
while(a[n]!='\0')
{
if(a[n]==c)
{
num++;
n++;
}
else
{
n++;
}
}
cout<<num<<endl;
}
vc6.0下编译通过,vc下用cin输入字符串的时候遇到空格就停止了,所以用getchar()来输入字符串
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