#include<iostream> using namespace std; int main(){ string s; while(cin>>s){ int n,k=0; cin>>n; while(n--){ for(int i=0;i<s.length();i++){ if(s[i]>s[i+1]||i==s.length()-1){ s.erase(i,1); break; } } } for(int i=0;i<s.length();i++){ if(s[i]!='0') { k=i; break; } } if(k==s.length()) cout<<0<<endl; else cout<<s.substr(k,s.length())<<endl; } return 0; } |
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