Run ID Author Problem Lang Verdict Time Memory Code Length Submit Time
50218 jiabokai 【例72.1】 二进制转化为十进制 C++ No Test Data 0 MS 0 KB 208 2024-08-14 19:08:46

Tests(0/0):


#include<bits/stdc++.h> using namespace std; int main(){ int k,m=0; string s; cin>>k>>s; int n=k; for(int i=0;i<k;i++){ s[i]-='0'; m+=s[i]*pow(2,n-1); n--; } cout<<m; return 0; }