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#include <stdio.h>
#include <ctype.h>
#include <string.h>
const char* num_en[]={
"",
"one", "two", "three", "four",
"five", "six", "seven", "eight",
"nine", "ten", "eleven", "twelve",
"thirteen", "fourteen", "fifteen", "sixteen",
"seventeen", "eighteen", "nineteen", "twenty",
"thirty", "forty", "fifty", "sixty",
"seventy", "eighty", "ninety"};
void name_num(int num,char* name)
{
name[0]=0;
if (num>=1000){
strcat(name,num_en[num/1000]);
strcat(name," thousand ");
num %= 1000;
if (num>0 && num<100)
strcat(name,"and ");
}
if (num>=100){
strcat(name,num_en[num/100]);
strcat(name," hundred ");
num %= 100;
if (num>0){
strcat(name,"and ");
}
}
if (num>20){
strcat(name,num_en[20-2+num/10]);
num %= 10;
if (num>0)
strcat(name,"-");
strcat(name,num_en[num%10]);
}else{
strcat(name,num_en[num]);
}
}
int count_letters(char* s)
{
char *p;
int count=0;
for (p=s; *p; ++p){
if (islower(*p)){
++count;
}
}
return count;
}
int main()
{
int n,i,len,total_len=0;
char num_en[100];
for (i=1;i<=1000;++i){
name_num(i,num_en);
len = count_letters(num_en);
total_len += len;
//printf("%s %d\n",num_en,len);
}
printf("%d\n",total_len);
return 0;
}
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