View Code of Problem 609

#include <stdio.h>
#include <string.h>
#include<math.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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