# include & ltstdlib.h & gt
# include & ltstring.h & gt
int main(void)
{
char buf[128];
int len,I,count = 0;
scanf("%s ",buf);
len = strlen(buf);
for(I = 0;我& ltleni++)
{
if((buf[I]& gt;= ' A ' & amp& ampbuf[I]& lt;= ' Z ')| | buf[I]& gt;= ' a ' & amp& ampbuf[I]& lt;= 'z ')繼續;
buf[I]=“”;
count++;
}
Printf("轉換後的字符串為:%s\n ",buf);
Printf("轉換次數為:%d\n ",count);
返回0;
}