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[code hoof set novice village 600 question] calculate the number of digits of an integer

2022-07-19 13:37:00 【Sandm *】

The title is as follows ：

Their thinking ：

utilize while Loops and operators / To solve the

Be careful ：

The data should be discussed in two cases ,
If you don't judge
When the test data is numeric 0 when , The number of digits given is 0 , instead of 1

Reference code ：

#include<bits/stdc++.h> 

using namespace std;

int main( )
{
    int data = 0;
    cin >> data;
    int count = 0;
   if(data == 0)
   {
       count++;
   }
   else
   {
     while(data)// When the number given is 0 The number of digits given by the program is 0, instead of 1
     {
        data = data / 10;
        count++;
     }
   }
   
    cout << count;
    return 0;
}

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