紫书 习题3-5 谜题

#include <iostream>
#include <cstdio>
#include <algorithm>
using namespace std;

const char inst[] = "ABLR";
const int dir[4][2] = {{-1, 0}, {1, 0}, {0, -1}, {0, 1}};

int main(void)
{
    int t = 0;
    char s[5][6];
    char c;
    while ((s[0][0] = getchar()) != 'Z') {
        int bi = 0, bj = 0;
        for (int i = 0; i < 5; i ++) {
            for (int j = 0; j < 5; j ++) {
                if (!i && !j) continue;
                s[i][j] = getchar();
                if (s[i][j] == ' ') {bi = i, bj = j;}
            }
            getchar();
        }
        bool legal = true;
        while ((c = getchar()) != '0') {
            if (legal == false || c == '\n') continue;
            int k;
            for (k = 0; k < 4; k ++) {
                if (c == inst[k]) break;
            }
            if (k == 4)
                legal = false;
            else {
                int ni = bi+dir[k][0], nj = bj+dir[k][1];
                if (0 <= ni && ni < 5 && 0 <= nj && nj < 5) {
                    swap(s[bi][bj], s[ni][nj]);
                    bi = ni, bj = nj;
                } else
                    legal = false;
            }
        }
        if (++t > 1) printf("\n");
        printf("Puzzle #%d:\n", t);
        if (legal == false)
            printf("This puzzle has no final configuration.\n");
        else {
            for (int i = 0; i < 5; i ++) {
                for (int j = 0; j < 5; j ++) {
                    printf("%c%c", s[i][j], j == 4 ? '\n' : ' ');
                }
            }
        }
        getchar();
    }

    return 0;
}

  

 1 # include <iostream>
 2 # include <cstdio>
 3 
 4 using namespace std;
 5 
 6 int main(){
 7 
 8     char a[5][7],t;
 9     int n,m,i,j,k;
10 
11 
12 
13     int cases = 0;
14     char modol[1001];
15     while(gets(a[0])){
16 
17         if(a[0][0]=='Z') break; 
18 
19         for(i=1;i<5;i++){
20             gets(a[i]);
21         }
22 
23 
24         //查找空格的位置
25         int x = 0,y = 0; 
26         for(i=0;i<5;i++)
27             for(j=0;j<5;j++)
28                 if(a[i][j]==' '){
29                  x=i,y=j;
30                  break;//记录空格这个点 
31                  } 
32 
33         //scanf不读取\n和空格
34         int cnt = 0;
35 
36 
37         while(~scanf("%c",&modol[cnt])) 
38             if(modol[cnt]!='0')  cnt++;
39             else break;
40              /*
41         char ch;
42         while(scanf("%c",&ch))
43             if(ch=='\n') continue;
44             else if(ch==' ') continue;
45             else if(ch!='0') {
46                 modol[cnt]=ch; 
47                 cnt++;
48             }
49             else break;
50             */  
51         //gets与scanf("%c")   getcahr 的区别 
52         int flag=0, x1 = x , y1=y;
53         modol[cnt] = 0;
54         getchar();
55 
56         for(i=0;modol[i];i++){
57             switch(modol[i]){
58                 case 'A' : x1 =  x - 1;y1=y; break;
59                 case 'B' : x1 =  x + 1;y1=y; break;
60                 case 'L' : x1 =  x;y1=y-1; break;
61                 case 'R' : x1 =  x;y1=y+1; break;
62             }
63 
64             if(x1<0||y1<0||x1>4||y1>4){
65                 flag = 1;break;
66             }else{
67                 a[x][y] = a[x1][y1];
68                 a[x1][y1] = ' ';
69                 x = x1;
70                 y = y1;
71             }
72 
73         }
74 
75         if(cases++) printf("\n"); 
76             printf("Puzzle #%d:\n",cases);
77 
78         if(flag){
79             printf("This puzzle has no final configuration.\n");
80         }else{
81             for(i=0;i<5;i++){
82                 printf("%c",a[i][0]);
83                 for(j=1;j<5;j++){
84                     printf(" %c",a[i][j]);
85                 }
86                 printf("\n");
87             }
88 
89 
90 
91         }
92 
93 
94 
95     }
96 
97 
98     return 0;
99 } 

 

posted @ 2017-07-18 23:15  Roni_i  阅读(286)  评论(0编辑  收藏  举报