Convert string "1234" into a number without using library functions

Question

Anonimo · Accepted Answer

String st1 = "15269";
        int len = st1.length();
        int num = 0;
        for (int i=0; i

Anonimo · Answer

pretty straight forward.
int num = 0;
for(int i=0; i

anonymous-RSP · Answer

#include 
using namespace std;

int main() 
{
  char num[5] ="1234";
    
  char list[11]="0123456789";
	int Number = 0;
for (int i=0;i0)
         {
		 
         Number=Number*10;
         
		 Number = Number + j;
		  
         break;
     }
     else
     {
     	Number = j;
     	break;
	 }
 		}
 		
 		else {
 			if (j==9)
 			{
 				cout << "character - " <

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