DouKaku?

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main()
{   
    int col;
    int line;
    char *amida[] = {
        "A B C D E",
        "| | |-| |",
        "|-| | |-|",
        "| |-| |-|",
        "|-| |-| |",
        "|-| | | |",
    };
    char *answer;
    int end_line = sizeof(amida) / sizeof(amida[0]);
    int end_col  = strlen(amida[0]);

    /* 元の値をコピー */
    answer = malloc(sizeof(char) * (end_col+1));
    strcpy(answer, amida[0]);

    /* あみだをたどる */
    for (line = 1; line < end_line; line++) {
        for (col = 1; col < end_col; col += 2) {
            if (amida[line][col] == '-') {
                /* swap */
                int tmp       = answer[col-1];
                answer[col-1] = answer[col+1];
                answer[col+1] = tmp;
            }
        }
    }
    
    /* 出力 */
    for (line = 0; line < end_line; line++) {
        printf("%s\n", amida[line]);
    }
    printf("%s\n", answer);    return 0;
}

#include <stdio.h>
#include <stdlib.h>

void amida(int data[], int num);

int main (int argc, char *argv[])
{
    int data[argc-1];
    int i;

    if(argc < 3){
        printf("error!! : Too few input data!\n");
    }
    else{
        for(i=0; i<argc-1; i++){
            data[i] = atoi(argv[i+1]);
            printf("%d ",i);
        }
        puts("");

        amida(data,argc-1);

        for(i=0; i<argc-1; i++){
            printf("%s ", argv[i+1]);
        }
    }
    return 0;
}
    
void amida(int data[], int num){

    int i, j, temp;
    int max=num, level=0, hyflag=0;
    char hyphen[max][num];

    for(i=0; i<max; i++){
        for(j=0; j<num; j++){
            hyphen[i][j] = ' ';
        }

        if(i%2 == 0){
            for(j=0; j<num; j+=2){
                if(data[j] > data[j+1]){
                    temp = data[j];
                    data[j] = data[j+1];
                    data[j+1] = temp;
                    hyphen[level][j] = '-';
                    hyflag = 1;
                }
            }
        }
        else{
            for(j=1; j<num-1; j+=2){
                if(data[j] > data[j+1]){
                    temp = data[j];
                    data[j] = data[j+1];
                    data[j+1] = temp;
                    hyphen[level][j] = '-';
                    hyflag = 1;
                }
            }
        }
        if(hyflag != 0){
            level++;
            hyflag = 0;
        }
    }
    for(level--; level>=0; level--){
        for(i=0; i<num-1; i++){
            printf("|%c",hyphen[level][i]);
            
        }
        puts("|");
    }
}