Online Judge
| Run ID | Author | Problem | Lang | Verdict | Score | Time | Memory | Code Length | Submit Time |
|---|---|---|---|---|---|---|---|---|---|
| 27798 | 吴乐涵 | 数1的个数 | C++ | Accepted | 100 | 0 MS | 252 KB | 199 | 2021-12-18 15:11:39 |
Tests(2/2):
#include<bits/stdc++.h> using namespace std; int n,ans,t; int main(){ cin>>n; for(int i=1;i<=n;i++){ t=i; while(t){ if(t%10==1) ans++; t/=10; } } cout<<ans; return 0; }