#include <iostream>
#include <cstring>
int main()
{
int num=4000000;
char*word = new char[25];
sprintf(word,"%d",num);
std::cout « strlen(word);
}
int numLen(long long num) {
int numCount = !num;
while (num) {
num /= 10;
numCount++;
}
return numCount
}