82621

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
82621	sh25_zhuhy	统计数字	C++	Accepted	0 MS	244 KB	185	2026-01-16 16:10:05

#include<iostream> using namespace std; int main(){ int n; cin>>n; int s=0; for(int i=3;i<=n;++i){ if(i%10==3) ++s; } cout<<s; return 0; }