subtract int from char array in a loop

[dodo78]

Hello!
There is one simple thing i do not understand in the following:

char list[20]="12934225005";

int count,d1;
count=strlen(list);

for(int j=0;j<count;j++)
d1=list[j]-'0';
cout<<d1;
---------------------------------------------
As a result d1 contains 5;
What is the meaning of 5?
Ana if i do "d1=list[j] " d1 has 53.
What is 53?
Thank you very much. for your help

[Bazzy]

5 is the last character, 53 is ASCII value for '5'
each execution of loop sets d1 without incrementing it, try

d1=0;
for(int j=0;j<count;j++)
    d1=d1*10+list[j]-10;

[48T7M4Gy]

Try this, the brackets may be the answer, depending on what you're trying to do

char list[ 20 ]="12934225005";

int count, d1;
count = strlen( list );

for( int j = 0; j < count; j++ )
{
  d1 = list[ j ] - '0';
  cout << d1;
}

[dodo78]

Very helpful.
Thanks a lot!