/*
* poj_1007.c
* accepted
*/
#include <stdio.h>
#include <stdlib.h>
#define N (50)
#define M (100)
static void poj_1007 ();
static int get_inversions (const char * str);
static int compar_st (const void * p, const void * q);
struct st{
char str[N+1];
int inv;
};
int main (int argc, char * argv[]){
poj_1007 ();
return 0;
}
static void poj_1007 (){
int i, n, m;
struct st s[M];
scanf ("%d%d", &n, &m);
for (i = 0; i < m; i ++){
scanf ("%s", s[i].str);
s[i].inv = get_inversions (s[i].str);
}
qsort (s, m, sizeof (struct st), compar_st);
for (i = 0; i < m; i ++){
printf ("%s\n", s[i].str);
}
}
static int get_inversions (const char * str){
int r = 0;
const char *p, *q;
for (p = str; *p != '\0'; p ++){
for ( q = p + 1; *q != '\0'; q ++){
if (*p > *q){
r ++;
}
}
}
return r;
}
static int compar_st ( const void * p, const void * q){
return ((*(struct st *)p).inv - (*(struct st *)q).inv);
}
POJ 1007
最新推荐文章于 2018-01-24 15:25:31 发布