No puede seleccionar más de 25 temas
Los temas deben comenzar con una letra o número, pueden incluir guiones ('-') y pueden tener hasta 35 caracteres de largo.
59 líneas
1.2 KiB
59 líneas
1.2 KiB
#include "stdio.h"
|
|
#include "stdlib.h"
|
|
#include "time.h"
|
|
#include "math.h"
|
|
#include "string.h"
|
|
|
|
/**
|
|
* @brief generate a file consists of 50000 lines of words,
|
|
* half line has a substring "computer", and is repeated.
|
|
* the clone one is stripped of "computer".
|
|
*
|
|
* 0 ~ 9 : 48 ~ 57
|
|
* a ~ z : 97 ~ 122
|
|
*
|
|
*/
|
|
|
|
|
|
void file_create(const char *_addr)
|
|
{
|
|
FILE *file = fopen(_addr, "w");
|
|
size_t line = 250000u;
|
|
srand(time(NULL));
|
|
|
|
// char *str = NULL;
|
|
for (size_t i = 0; i < line; i++) {
|
|
// str = (char *)malloc(abs(rand())%20 * sizeof(char));
|
|
char str[abs(rand())%100+1];
|
|
for (size_t j = 0; j < strlen(str); j++) {
|
|
if (abs(rand()) % 2 == 0)
|
|
str[j] = abs(rand())%10 + 48;
|
|
else
|
|
str[j] = abs(rand())%26 + 97;
|
|
}
|
|
strcat(str, "computer\n");
|
|
fputs(str, file);
|
|
fputs(str, file);
|
|
// free(str);
|
|
}
|
|
|
|
fclose(file);
|
|
}
|
|
|
|
void file_show()
|
|
{
|
|
FILE *file = fopen("words.txt", "r");
|
|
int ch;
|
|
|
|
while ((ch = fgetc(file)) != '\n') {
|
|
printf("%c", ch);
|
|
}
|
|
|
|
fclose(file);
|
|
}
|
|
|
|
int main()
|
|
{
|
|
file_create("words.txt");
|
|
return 0;
|
|
}
|