29 lines
444 B
C++

#include<iostream>
#include<cstdio>
#include<cstring>
#include<string>
#include<cmath>
using namespace std;
int main()
{
char n[10001];
int i,j,m,s;
cin>>n>>s;int len=strlen(n);
for (i=1;i<=s;i++)
{
for (j=0;j<len;j++)
if (n[j]>n[j+1])
{
for (int z=j;z<len;z++)
n[z]=n[z+1];break;
}
len--;
}
j=0;m=len;
while (n[j]=='0'&&m>1)
j++,m--;
for (i=j;i<len;i++)
cout<<n[i];
return 0;
}