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  1. #include <iostream>
  2. using namespace std;
  3. class Solution{
  4.   public:
  5.     /*You are required to complete this method */
  6.     // create a function to check if the character ids numeric or not
  7.     bool isnumeric(char x){
  8.         // check the condition for the numeric
  9.       return (x>='0' && x<='9')? true:false;
  10.     }
  11.     int atoi(string s) {
  12.         int n=s.size();
  13.         if (s==" "){
  14.             return 0;
  15.         }
  16.         int res=0;
  17.         int sign=1;
  18.         int i=0;
  19.         // Base condition for the given program
  20.         if(s[0]=='-'){
  21.             sign=-1;
  22.             i++;
  23.         }
  24.         // Run the loop for the given eqation
  25.         for(;i<n;++i){
  26.             if(isnumeric(s[i])==false){
  27.                 return -1;
  28.                 // res=res*10+s[i] -'0';
  29.             }
  30.             res=res*10+s[i] -'0';
  31.  
  32.  
  33.             }
  34.  
  35.         return sign*res;
  36.     }
  37.  
  38.     };
  39.       int main() {
  40. 	// your code goes here
  41. 	return 0;
  42. }
  43.  
Success #stdin #stdout 0.01s 5284KB
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https://ideone.com/swXVYd
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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