void setZeroes(vector<vector<int>>& matrix) {
if(matrix.size() == 0) return;
int row = matrix.size(), col = matrix[0].size();
string str_row(row, '0'), str_col(col, '0'); // extra space: two string
for(int i = 0; i < row; ++i) {
for(int j = 0; j < col; ++j) {
if(matrix[i][j] == 0) {
str_row[i] = '1';
str_col[j] = '1';
}
}
}
for(int i = 0; i < row; ++i) {
if(str_row[i] == '1') {
for(int j = 0; j < col; ++j)
matrix[i][j] = 0;
}
}
for(int j = 0; j < col; ++j) {
if(str_col[j] == '1') {
for(int i = 0; i < row; ++i)
matrix[i][j] = 0;
}
}
}
/** saves the current game to specified 'file_name'
* returns 0 upon success, 1 otherwise. */
int save_xml(const char *file_name)
{
char full_path[70] = "load_save/";
char *s = strchr (file_name, '/');
if (s == NULL) strcat(full_path, file_name);
else strcpy(full_path, file_name);
FILE *f_out;
if ( (f_out = fopen(full_path, "w")) == NULL ) return 1;
char *next_turn = WHITE_TURN == 1 ? "White" : "Black";
char *game_mode = TWO_PLAYERS_MODE == 1 ? "1" : "2";
char min_depth[] = {MINIMAX_DEPTH + '0', '\0'}; //MINIMAX_DEPTH to string
char *difficulty = MINIMAX_DEPTH == BEST_DEPTH_VALUE ? "best" : min_depth;
char *user_color = PLAYER_WHITE == 1 ? "White" : "Black";
char row_buff[9];
if ( TWO_PLAYERS_MODE == 1 )
{
user_color = "";
difficulty = "";
}
fputs("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n", f_out);
fputs("<game>\n", f_out);
fputs("\t<next_turn>", f_out);
fputs(next_turn, f_out);
fputs("</next_turn>\n", f_out);
fputs("\t<game_mode>", f_out);
fputs(game_mode, f_out);
fputs("</game_mode>\n", f_out);
fputs("\t<difficulty>", f_out);
fputs(difficulty, f_out);
fputs("</difficulty>\n", f_out);
fputs("\t<user_color>", f_out);
fputs(user_color, f_out);
fputs("</user_color>\n", f_out);
fputs("\t<board>\n", f_out);
fputs("\t\t<row_8>", f_out);
fputs(str_row(row_buff, 7), f_out);
fputs("</row_8>\n", f_out);
fputs("\t\t<row_7>", f_out);
fputs(str_row(row_buff, 6), f_out);
fputs("</row_7>\n", f_out);
fputs("\t\t<row_6>", f_out);
fputs(str_row(row_buff, 5), f_out);
fputs("</row_6>\n", f_out);
fputs("\t\t<row_5>", f_out);
fputs(str_row(row_buff, 4), f_out);
fputs("</row_5>\n", f_out);
fputs("\t\t<row_4>", f_out);
fputs(str_row(row_buff, 3), f_out);
fputs("</row_4>\n", f_out);
fputs("\t\t<row_3>", f_out);
fputs(str_row(row_buff, 2), f_out);
fputs("</row_3>\n", f_out);
fputs("\t\t<row_2>", f_out);
fputs(str_row(row_buff, 1), f_out);
fputs("</row_2>\n", f_out);
fputs("\t\t<row_1>", f_out);
fputs(str_row(row_buff, 0), f_out);
fputs("</row_1>\n", f_out);
fputs("\t</board>\n", f_out);
fputs("</game>", f_out);
fclose(f_out);
return 0;
}
