#include <stdio.h> #include <string.h> char s1[25],s2[25]; int main() { int len1,len2; int i,j,k; char change; while(scanf("%s",s1)!=EOF) { scanf("%s",s2); len1 = strlen(s1); len2 = strlen(s2); for(i=0;i<len1-1;i++) { for(j=0;j<len1-1-i;j++) { if(s1[j]<s1[j+1]) { change = s1[j]; s1[j] = s1[j+1]; s1[j+1] = change; } } } if(len1<len2) { printf("%s\n",s1); } else { i=0; while(s1[i]>=s2[i]&&i<len1) { if(s1[i]==s2[i]) { i++; continue; } for(j=i+1;j<len1;j++) { if(s1[j]<=s2[i]) { change = s1[j]; for(k=j;k>i;k--) { s1[k] = s1[k-1]; } s1[i] = change; break; } } if(s1[i]==s2[i]) { i++; } else { break; } } printf("%s\n",s1); } } } |
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