题目链接:/onlineJudge/questionCode.html#!problemId=1284
1 #include <iostream> 2 3 using namespace std; 4 5 long long n; 6 int main() 7 { 8cin>>n; 9cout<<(n-n/2-n/3-n/5-n/7+n/6+n/10+n/14+n/15+n/21+n/35-n/30-n/70-n/105-n/42+n/210);10return 0;11 }
时间:2021-03-07 19:32:44
题目链接:/onlineJudge/questionCode.html#!problemId=1284
1 #include <iostream> 2 3 using namespace std; 4 5 long long n; 6 int main() 7 { 8cin>>n; 9cout<<(n-n/2-n/3-n/5-n/7+n/6+n/10+n/14+n/15+n/21+n/35-n/30-n/70-n/105-n/42+n/210);10return 0;11 }