#include<stdio.h> #include<string.h> int main () { int i=0,flag=0,n; char a[100001]; scanf("%s",a); n=strlen(a); while(a[i]>=a[i+1]&&i<n-1) { i++; } a[i]=1; for(i=0;i<=n-1;i++) { if(a[i]!=1) printf("%c",a[i]); } return 0; }
http://codeforces.com/contest/258/problem/A
