> #include <stdio.h>
> #include <string.h>
> 
> int main () {
> 	int n,m;
> 	scanf("%d %d", &n, &m);
> 	char dna[50][11];
> 	char temp[11];
> 	int measure[50];
> 	for (int i = 0; i < m; i++) {
> 		scanf("%s", dna[i]);
> 		int t = 0;
> 		for (int j = 0; j < n; j++) {
> 			for (int k = j; k < n; k++) {
> 				if (dna[i][j] - dna[i][k] > 0) {
> 					t++;
> 				} 
> 			}
> 		}
> 		measure[i] = t;
> 	}
> 	for (int i = 0; i < m; i++) {
> 		int low = i;
> 		for (int j = i; j < m; j++) {
> 			if (measure[j] < measure[low]) {
> 				low = j;
> 			}
> 		}
> 		strcpy(temp, dna[low]);
> 		strcpy(dna[low], dna[i]);
> 		strcpy(dna[i], temp);
> 		int tmp = measure[i];
> 		measure[i] = measure[low];
> 		measure[low] = tmp;
> 	}
> 	for (int i = 0; i < m; i++) {
> 		printf("%s\n", dna[i]);
> 	}
> 	return 0;
> }