帮帮解读一下

Question

#include<iostream>#include<cstring>using namespace std;int main(){ int i(0),num[10]={0},n(0); char a[1005]={0}; cin>>a; n=strlen(a); cout<<"n= "<<n<<endl; for(i=0;i<n;i++) num[a[i]-'0']++; cout<<a[i]-'0'<<endl; for(i=0;i<10;i++) { if(num[i]>0) cout<<i<<":"<<num[i]<<endl; } return 0;}

Answer 1

看不懂吗

Answer 2

java路过~~