View Code of Problem 609

#include<stdio.h>
#include<string.h>
int main()
{
	char a[1000];int n;
	while(scanf("%s",a)!=EOF)
	{
		scanf("%d",&n);
		int len=strlen(a);
		while(n--)
		{
			int i=0;
			while(a[i]<=a[i+1]&&i<len)
			{
				i++;
			}
			for(int j=i;j<len-1;j++)
			{
				a[j]=a[j+1];
			}
			len--;
		}
		int k=0;
		while(a[k]=='0')
		{
			k++;
		}
		if(k<len)
		{
			for(int i=k;i<len;i++)
			{
				printf("%c",a[i]);
			}		
			printf("\n");
		}
		else
		{
			printf("0\n"); 
		}
	}
	return 0;
}

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