一次AC了这个模拟题，本来是想用面向对象的思想来写，不过最后写成了这个样子。。。
simbaforrest
2007/12/27
#include <iostream>
#include <stdlib.h>
#include <string.h>
using namespace std;
class map
{
public:
int WE;
int NS;
int grid[110][110];
map() {};
void init(int we, int ns)
{
WE = we;
NS = ns;
memset(grid,0,sizeof(grid));
};
inline void setR(int we, int ns, int rid)
{grid[ns][we]=rid;}
void show()
{
printf("map:WE=%d,NS=%d\n",WE,NS);
for(int i=NS; i>0; i--)
{
for(int j=1; j<=WE; j++)
printf("%d",grid[i][j]);
printf("\n");
}
}
void report(int rbt=-1, int crash=-8)
{
if(rbt == -1)
printf("OK\n");
else if(crash == -1)
printf("Robot %d crashes into the wall\n",rbt);
else
printf("Robot %d crashes into robot %d\n",rbt,crash);
};
// friend class robot;
};
map Map;
class robot
{
public:
//static int totalnum;
int id;
int ns,we;
int face;
int crash;
robot() {};
// friend class command;
void init(int rid,int WE, int NS, char F)
{
id = rid;
ns = NS;
we = WE;
Map.setR(we,ns,id);
crash = 0;
switch(F)
{
case 'N':face = 0;return;
case 'S':face = 2;return;
case 'W':face = 3;return;
case 'E':face = 1;return;
}
};
inline void turnL(){face = ((face-1)+4)%4;};
inline void turnR(){face = (face+1)%4;};
void Move()
{
Map.grid[ns][we] = 0;
switch(face)
{
case 0:
ns++;break;
case 1:
we++;break;
case 2:
ns--;break;
case 3:
we--;break;
}
iscrash();
if(crash==0)
Map.grid[ns][we] = id;
};
inline void iscrash()
{
if(ns<=0 || ns>Map.NS || we<=0 || we>Map.WE)
{
crash = -1;//crash the wall
return;
}
int idtmp = Map.grid[ns][we];
if( idtmp!=0 )
{
crash = idtmp;//crash the idtmp robot
}
};
};
const int maxn = 101;
robot R[101];
class command
{
public:
//static int totalnum;
int robotid;
char action;
int repeat;
command() {};
void init(int id, char act, int rep)
{
robotid = id;
action = act;
repeat = rep;
};
bool doaction()
{
switch(action)
{
case 'L':
while(repeat--)
{R[robotid].turnL();}return 1;
case 'R':
while(repeat--)
{R[robotid].turnR();}return 1;
case 'F':
while(repeat--)
{
R[robotid].Move();
int tmp = R[robotid].crash;
if(tmp!=0)
{
//Map.show();
Map.report(robotid,tmp);
// printf("(%d,%d)\n",R[robotid].ns,R[robotid].we);
return 0;
}
}
return 1;
}
};
};
command C[101];
int robotnum,commandnum;
void init()
{
int A,B;
scanf("%d%d",&A,&B);
Map.init(A,B);
// Map.show();
int n,m;
scanf("%d%d",&n,&m);
robotnum = n;
commandnum = m;
for(int i=1; i<=n; i++)
{
int we,ns;
char F[5];
scanf("%d%d%s",&we,&ns,F);
R[i].init(i,we,ns,F[0]);
}
for(int i=1; i<=m; i++)
{
int rid,rep;
char act[5];
scanf("%d%s%d",&rid,act,&rep);
C[i].init(rid,act[0],rep);
}
// Map.show();
}
void begin()
{
int m = commandnum;
for(int i=1; i<=m; i++)
{
//cout<<i<<":\n";
if(!C[i].doaction())
return;
//Map.show();
}
Map.report();
}
int main()
{
int K;
scanf("%d",&K);
while(K--)
{
init();
begin();
}
return 0;
}
嗯，下面就是我的代码了,很久以前写的了。
思想比较简单，就不写了，不过当时wa了一次：
————by littlekid
1 Source Code
2 Problem: 2632 User: LittleKid
3 Memory: 216K Time: 0MS
4 Language: G++ Result: Accepted
5
6
7 # include <stdio.h>
8 # include <string.h>
9
10 # define N 111
11
12 typedef struct _robot{
13 int x,y;
14 int dir;
15 };
16
17 int a,b;
18 int m,n;
19 _robot robot[N];
20 int map[N][N];
21 bool OK;
22
23 void initialize(){
24 for (int i = 0; i < N; i ++){
25 map[i][0] = 0;
26 map[0][i] = 0;
27 }
28 }
29
30 void init(){
31 scanf("%d %d",&a,&b);
32 for (int i = 1; i <= a; i ++){
33 for (int j = 1; j <= b; j ++){
34 map[i][j] = -1;
35 }
36 map[i][b+1] = 0;
37 }
38 for (int i = 0; i <= b; i ++){
39 map[a+1][i] = 0;
40 }
41
42 scanf("%d %d",&n,&m);
43 int x,y;
44 char d;
45 for (int i = 1; i <= n; i ++){
46 scanf("%d %d %c",&x,&y,&d);
47 if (map[x][y] == 0) printf("Eroor\n");
48 map[x][y] = i;
49 robot[i].x = x; robot[i].y = y;
50 switch (d){
51 case 'N':robot[i].dir = 3;
52 break;
53 case 'E':robot[i].dir = 2;
54 break;
55 case 'S':robot[i].dir = 1;
56 break;
57 case 'W':robot[i].dir = 0;
58 break;
59 default: printf("ERROR\n");
60 }
61 }
62 OK = true;
63 }
64
65 void L(int no, int re){
66 robot[no].dir = (robot[no].dir + re) % 4;
67 robot[no].dir += 4;
68 robot[no].dir %= 4;
69 }
70
71 void isOK(int no){
72 // printf(" %d %d %d %d\n",no,robot[no].x,robot[no].y,robot[no].dir);
73 int x = robot[no].x;
74 int y = robot[no].y;
75 if (map[x][y] >= 0){
76 OK = false;
77 if (map[x][y] == 0){
78 printf("Robot %d crashes into the wall\n",no);
79 }
80 else {
81 printf("Robot %d crashes into robot %d\n",no,map[x][y]);
82 }
83 return ;
84 }
85 map[x][y] = no;
86 }
87
88 void Forward(int no){
89 map[robot[no].x][robot[no].y] = -1;
90
91 switch (robot[no].dir){
92 case 0: robot[no].x -= 1;
93 break;
94 case 1: robot[no].y -= 1;
95 break;
96 case 2: robot[no].x += 1;
97 break;
98 case 3: robot[no].y += 1;
99 break;
100 }
101 isOK(no);
102 }
103
104 void F(int no, int re){
105 while (OK && re--){
106 Forward(no);
107 }
108 }
109
110 void simulation(){
111 int no,re;
112 char action;
113 for (int i = 0; i < m; i ++){
114 scanf("%d %c %d",&no,&action,&re);
115 if (OK){
116 switch (action){
117 case 'L': L(no,re);
118 break;
119 case 'R': L(no,-re);
120 break;
121 case 'F': F(no,re);
122 break;
123 default: printf("ERROR!\n");
124 }
125 }
126 }
127 if (OK) printf("OK\n");
128 }
129
130 int main(){
131 int T;
132 initialize();
133 scanf("%d",&T);
134 while (T--){
135 init();
136 simulation();
137 }
138 return 0;
139 }
posted on 2007-12-27 15:21
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