// challenge number->literal #include #include using namespace std; /* functions for literal extraction: * Twentyormore: for numbers under thousand, handle irregularity of teens * ToLiteral: the total extractor */ // data Literals * * * string Numbers20[]={"","one","two","three","four","five","six","seven","eight","nine", "ten", "eleven","twelve","thirteen","fourteen","fifteen", "sixteen", "seventeen", "eighteen", "nineteen"}; string Numbers100[]={"","twenty", "thirty", "fourty","fifty", "sixty","seventy", "eighty" , "ninety"}; string bigs[]={"Thousand","Million","Billion","Trillion","Quadrillion"}; long long unsigned int thw(int pow){// create a power of 1000 number long long unsigned int ret=1; for(int i=0 ; i=100){ Number = Numbers20 [nump/100]+ "hundred"; if (nump/100>1) Number+="s"; Number+=','; } if (nump%100<20) Number += Numbers20 [nump%100]; else Number += Numbers100 [((nump%100)/10)-1]+ Numbers20 [nump%10]; return Number; } string ToLiteral(long long unsigned int num){ string NumberTot=""; if (num ==0) return "zero"; if (num>=thw(5)){ NumberTot += Twentyormore(num/thw(5)); NumberTot += bigs[4]; if (num/thw(5)>1) NumberTot += 's'; if (num%thw(5)>1)NumberTot+='-'; else return NumberTot ; } for(int i=4 ; i>0 ; i-- ){ if (num>=thw(i)){ NumberTot += Twentyormore(num%thw(i+1)/thw(i)); NumberTot += bigs[i-1]; if (num%thw(i+1)/thw(i)>1) NumberTot += 's'; if (num%thw(i)>1)NumberTot+='-'; else return NumberTot ; } } NumberTot += Twentyormore(num%thw(1)); return NumberTot; } // ------------------------------------------------------------------- M A I N () long long unsigned int num; int main() { cin>>num ; cout<

CHALLENGE number to literal