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  1. #include<bits/stdc++.h>
  2. #include<string.h>
  3. using namespace std;
  4. string s;
  5. string a[33]={"negative","one", "two", "three", "four", "five",
  6. "six","seven", "eight", "nine", "ten","eleven",
  7. "twelve", "thirteen", "fourteen", "fifteen", "sixteen",
  8. "seventeen", "eighteen","ninenteen","20","21","twenty","thirty",
  9. "forty","fifty","sixty","seventy","eighty","ninety"};
  10. int check(string s,string a[]){
  11.     for(int i=1;i<=29;i++)
  12.         if(s==a[i]) return i;
  13. }
  14. int main(){
  15.     int dem=0,dat=0,cnt=0;
  16.     string x="";
  17.     string luu="";
  18.     while(cin >> s){
  19.     	int j=check(s,a);
  20.         if(s==a[0]){
  21.             cout << "-";
  22.             continue;
  23.         }
  24.         else if(s=="million"){
  25.             if(dat==1) while(x.length()<3) x='0'+x;
  26.             cout << x ;
  27.             x="";
  28.             dem=0;
  29.             dat=1;
  30.             cnt=1;
  31.             continue;
  32.         }
  33.         else if(s=="thousand"){
  34.            	if(dat==1) while(x.length()<3) x='0'+x;
  35.             cout << x ;
  36.             x="";
  37.             dem=0;
  38.             dat=1;
  39.             cnt=0;
  40.             continue;
  41.         }
  42.         else if(s=="hundred"){
  43.             x+="00";
  44.             //cout << x << endl ;
  45.             dem=3;
  46.             continue;
  47.         }
  48.         else if(j>=1 && j<=9){
  49.         	luu=(char)(j + 48);
  50.         	if(x!=""){
  51.         		x.pop_back();
  52.         		x += luu;
  53.         		//cout << x << endl ;
  54.         	}
  55.         	else x=luu;
  56.         	//dem=1;
  57.         	//cout << x << endl ;
  58.         }
  59.         else if(j>=10 && j<=19){
  60.             luu=(char)(j + 38);
  61.         	if(dem==3){x.pop_back(); x.pop_back();
  62. }
  63. x+='1'+luu;
  64.         }
  65.         else if(j>=22 && j<=29){
  66.         	luu=(char)(j - 20 + 48);
  67.         	if(dem==3){x.pop_back(); x.pop_back();
  68. }
  69. x+=luu+'0';
  70.         	//cout << x << endl ;
  71.         	//dem=2;
  72.         }
  73.         //cout << x << endl << luu << endl ;
  74.     }
  75.     if(cnt==1) cout << "000" ;
  76.     if(dat==1) while(x.length()<3) x='0'+x;
  77.     cout << x ;
  78. }
  79. // negative one million seven hundred twenty nine thousand one hundred one
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
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one hundred thousand twenty one
stdout
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100021
https://ideone.com/UJfwWM
language:
C++14 (gcc 8.3)
created:
9 days ago
visibility:
public

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