void generateFile(char *path, long size, int minKeyValue, int maxKeyValue, int minValLen, int maxValLen) {
srand(time(NULL));
FILE *file = fopen(path, "w");
long i;
int next;
fprintf(file, "%ld\n", size);
for (i = 0; i < size; i++) {
next = randInt(minKeyValue, maxKeyValue);
int len = randInt(minValLen, maxValLen);
char *value = randStr(len);
fprintf(file, "%d %s\n", next, value);
free(value);
}
fclose(file);
}
int V() { printf("%s ", randStr(v, 2)); }
int N() { printf("%s ", randStr(n, 3)); }
int D() { printf("%s ", randStr(d, 3)); }
