u013556505的专栏

InputThe first line has a number k(0<k<20), where k means there are k groups of test data. In the following lines, input the test data that are separated by one blank line. In each group, the te

#include int main(){ int a[26]={0},i,j,t,b[26]; char c,k; while((c=getchar())!='#') {if(c>='a'&&c<='z') a[c-'a']++; } for(i=0;i<26;i++) b[i]='a'+i; for(i=0;i<25;i++) for(j=0;j<25-i;j+