题解 | #3和5#

#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n;

for( int i = 1 ; i <= n ; i ++ )
    if(i % 3 == 0)
    {
        int m = i;
        while( m != 0 )
        {
            if ( m % 10 == 5 ) 
            {
                cout << i << endl;
                break;
            }
            m = m / 10;
        }
    }
return 0;

}