NOJ/54/main.c

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2020-08-31 16:46:43 +00:00
#include <stdio.h>
#include <string.h>
int sort(char *string, int start, int end, int di);
int main(void){
char string[1024];
scanf("%s",string);
int len = strlen(string), f, s;
if(!(len % 2)) f = len/2 - 1, s = len/2;
else f = len/2 - 1, s = len/2 + 1;
sort(string,0,f,0);
sort(string,s,len-1,1);
int i;
for(i = s; i < len; i++) putchar(string[i]);
if(len%2) putchar(string[f+1]);
for(i = 0; i <= f; i++) putchar(string[i]);
printf("\n");
return 0;
}
int sort(char *string, int start, int end, int di){
int i, if_ch = 1, temp;
while(if_ch){
if_ch = 0;
for(i = start; i < end; i++)
if(string[i] > string[i+1] && di){
temp = string[i];
string[i] = string[i+1];
string[i+1] = temp;
if_ch = 1;
}
else if(string[i] < string[i+1] && !di){
temp = string[i];
string[i] = string[i+1];
string[i+1] = temp;
if_ch = 1;
}
}
return 0;
}