include cstdio include cstring include immintrin include HashTable cpp

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
#include <cstdio>
#include <cstring>
#include <immintrin.h>
#include "HashTable.cpp"
#include "../HashFunctions.cpp"
int count_chars(FILE* file);
char* read_text(FILE* file);
void change_divider(char* whole_text, long int num_chars, char old_divider, char new_divider);
long int count_lines(char* whole_text, long int num_chars, char divider);
char** divide_lines(char* whole_text, long int num_lines, long int num_chars);
int main(void){
FILE* input = fopen("../words_alpha.txt", "r");
setvbuf(input, nullptr, _IOFBF, MAX_NUM_CHARS);
size_t len = MAX_NUM_CHARS;
size_t num_lines = MAX_NUM_LINES;
char* whole_text = read_text(input);
char** text = divide_lines(whole_text, num_lines, len);
auto t = HashTable<const char*, size_t, one_at_a_time, strcmp, 509>();
for (size_t i = 0; i < num_lines; ++i){
t.insert(text[i], i);
}
size_t d = 0;
for (size_t i = 0; i < num_lines; ++i){
d = t.find(text[i])->val.second;
}
fclose(input);
delete [] whole_text;
delete [] text;
return 0;
}
int count_chars(FILE* file){
int num_chars = 0;
fseek(file, 0L, SEEK_END);
num_chars = ftell(file);
rewind(file);
return num_chars;
}
char* read_text(FILE* file){
char* whole_text = new char[MAX_NUM_CHARS + 10];
char* start = whole_text;
for (unsigned int i = 0; i < MAX_NUM_LINES; ++i){
fscanf(file, "%s", whole_text);
whole_text += 32;
}
return start;
}
void change_divider(char* whole_text, long int num_chars, char old_divider, char new_divider){
for(int i = 0; i < num_chars; ++i){
if (whole_text[i] == old_divider){
whole_text[i] = new_divider;
}
}
}
long int count_lines(char* whole_text, long int num_chars, char divider){
long int num_lines = 0;
for (int i = 0; i < num_chars; ++i){
if (whole_text[i] == divider)
num_lines++;
}
return num_lines;
}
char** divide_lines(char* whole_text, long int num_lines, long int num_chars){
char** lines = new char* [num_lines + 10]();
for (int i = 0; i < num_lines; ++i){
lines[i] = whole_text;
whole_text += 32;
}
return lines;
}