samples/dummy/dummy.cpp

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 #include <vector>
   5 #include <cassert>
   6 #include <string>
   7 #include <iostream>
   8 #include <sstream>
   9 using namespace std;
  10
  11 /**
  12  * A suitably terrible program which combines C style IO with C++ style IO
  13  * Enjoy!
  14  * Mwuhahaha
  15  */
  16
  17 int main(int argc, char ** argv)
  18 {
  19         setbuf(stdout, NULL);
  20         setbuf(stdin, NULL);
  21
  22
  23         //Read in the colour, and choose a layout
  24
  25         int width = 14; int height = 14;
  26
  27         string colour; string opponent;
  28         cin >> colour; cin >> opponent; cin >> width; cin >> height;
  29         fgetc(stdin);
  30
  31         //fprintf(stderr, "Colour is \"%s\", width and height are (%d, %d), opponent is \"%s\"\n", colour.c_str(), width, height, opponent.c_str());
  32
  33         assert(width == 10 && height == 10); //Can't deal with other sized boards
  34         if (colour == "RED")
  35         {
  36                 fprintf(stdout, "FBnyBmSsBn\n");
  37                 fprintf(stdout, "BBCMccccnC\n");
  38                 fprintf(stdout, "LSGmnsnsSm\n");
  39                 fprintf(stdout, "sLSBLLssss\n");
  40         }
  41         else if (colour == "BLUE")
  42         {
  43                 fprintf(stdout, "sLSBLLssss\n");
  44                 fprintf(stdout, "LSGmnsnsSm\n");
  45                 fprintf(stdout, "BBCMccccnC\n");
  46                 fprintf(stdout, "FBnyBmSsBn\n");
  47         }
  48         else
  49         {
  50                 return 1;
  51         }
  52
  53
  54
  55         char board[width][height];
  56
  57         vector<pair<int, int> > choices;
  58
  59         int myPid = (int)(getpid());
  60
  61         while (true)
  62         {
  63                 //fprintf(stderr, "%s [%d] looping\n", argv[0], myPid);
  64                 choices.clear();
  65
  66                 //fprintf(stderr, "%s Waiting for status line...\n", colour.c_str());
  67                 char c = fgetc(stdin);
  68                 while (c != '\n')
  69                 {
  70                         //fprintf(stderr,"%c",c);
  71                         c = fgetc(stdin);
  72                 }
  73                         //fprintf(stderr, "%s Got status, waiting for board line...\n", colour.c_str());
  74
  75                 //Read in board
  76                 for (int y=0; y < height; ++y)
  77                 {
  78                         for (int x=0; x < width; ++x)
  79                         {
  80                                 board[x][y] = fgetc(stdin);
  81                                 if (board[x][y] == EOF)
  82                                         exit(EXIT_SUCCESS);
  83
  84                                 if (board[x][y] != '.' && board[x][y] != '*' && board[x][y] != '#' && board[x][y] != '+')
  85                                 {
  86                                         choices.push_back(pair<int, int>(x, y));
  87                                 }
  88                         }
  89                         assert(fgetc(stdin) == '\n');
  90                 }
  91
  92
  93
  94                 int dir = 0; int startDir = 0; int choice = rand() % choices.size(); int startChoice = choice;
  95                 int x1 = 0; int y1 = 0;
  96                 do
  97                 {
  98
  99
 100                         pair<int,int> pear = choices[choice];
 101                         x1 = pear.first;
 102                         y1 = pear.second;
 103                         //fprintf(stderr,"Trying unit at %d %d...\n", x1, y1);
 104
 105                         if (board[x1][y1] == 'B' || board[x1][y1] == 'F')
 106                         {
 107                                 choice = (choice+1) % choices.size();
 108                                 continue;
 109                         }
 110
 111                         int x2 = x1;
 112                         int y2 = y1;
 113                         dir = rand() % 4; startDir = dir; int lastDir = dir;
 114
 115                         bool okay = false;
 116                         while (!okay)
 117                         {
 118                                 //fprintf(stderr,"      Trying direction %d...\n", dir);
 119                                 x2 = x1; y2 = y1;
 120                                 switch (dir)
 121                                 {
 122                                 case 0:
 123                                         --y2;
 124                                         break;
 125                                 case 1:
 126                                         ++y2;
 127                                         break;
 128                                 case 2:
 129                                         --x2;
 130                                         break;
 131                                 case 3:
 132                                         ++x2;
 133                                         break;
 134                                 }
 135
 136                                 okay = !(x2 < 0 || y2 < 0 || x2 >= width || y2 >= height || (board[x2][y2] != '.' && board[x2][y2] != '*' && board[x2][y2] != '#'));
 137                                 if (!okay)
 138                                 {
 139                                         dir = (dir+1) % 4;
 140                                         if (dir == startDir)
 141                                                 break;
 142                                 }
 143
 144                         }
 145
 146
 147
 148                         choice = (choice+1) % choices.size();
 149                         if (dir != startDir)
 150                                 break;
 151                 }
 152                 while (choice != startChoice);
 153
 154
 155                 string direction="";
 156                 switch (dir)
 157                 {
 158                         case 0:
 159                                 direction = "UP";
 160                                 break;
 161                         case 1:
 162                                 direction = "DOWN";
 163                                 break;
 164                         case 2:
 165                                 direction = "LEFT";
 166                                 break;
 167                         case 3:
 168                                 direction = "RIGHT";
 169                                 break;
 170                 }
 171                 printf("%d %d %s\n", x1, y1, direction.c_str());
 172                 //fprintf(stderr,"%s Made move, waiting for confirmation line\n", colour.c_str());
 173                 while (fgetc(stdin) != '\n'); //Read in result line
 174                 //fprintf(stderr, "%s Done turn\n", colour.c_str());
 175                 //fprintf(stderr,"%s - %d %d %s\n",colour.c_str(),  x1, y1, direction.c_str() );
 176                 //fprintf(stderr, "%s [%d] computed move\n", argv[0], myPid);
 177         }
 178 }