Online Judge
| Run ID | Author | Problem | Lang | Verdict | Score | Time | Memory | Code Length | Submit Time |
|---|---|---|---|---|---|---|---|---|---|
| 54311 | 202203xhl | 国王的米粒 | C++ | Wrong Answer | 60 | 0 MS | 268 KB | 190 | 2022-07-29 14:33:07 |
Tests(3/5):
#include<bits/stdc++.h> using namespace std; int ms(int n){ if(n==0) return 0; return pow(2,n-1)+ms(n-1); } int main(){ int n,m; cin>>n>>m; cout<<ms(m)-ms(n-1); return 0; }