C++ || 求一个数中1的位数
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#include<iostream>
using namespace std;
int f(int x)
{
int count = 0;
while(x)
{
if (x % 10 == 1)
{
++count;
}
x /= 10;
}
return count;
}
int main()
{
cout << f(111) << endl;
return 0;
}
#include<iostream>
using namespace std;
int f(int x)
{
int count = 0;
while(x)
{
if (x % 10 == 1)
{
++count;
}
x /= 10;
}
return count;
}
int main()
{
cout << f(111) << endl;
return 0;
}