Files
wehub-resource-sync 4e0f4422d0
build-docs / deploy (push) Has been cancelled
Check Markdown links / markdown-link-check (push) Has been cancelled
Pytest / test (3.11) (push) Has been cancelled
Pytest / test (3.12) (push) Has been cancelled
chore: import upstream snapshot with attribution
2026-07-13 13:25:42 +08:00

51 lines
963 B
C
Executable File

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <math.h>
static uint64_t seed;
uint64_t next_cypher(uint64_t range)
{
seed =(seed * 25214903917 + 11) % (uint64_t) (pow(2,48));
return seed;
}
uint64_t _hash(char *str)
{
uint64_t len = strlen(str);
uint64_t hash = 0;
for (int i = 0; i < len; i++) {
hash += str[i] * pow(2, i);
}
return hash;
}
int main(int argc, char *argv[])
{
// char *flag = "flag{praise_rnjesus}";
char *flag = "flag{xxxxxxxxxxxxxx}";
seed = _hash(flag);
int start = seed;
printf("----Totally Random Number Generator----\n");
printf("Press ENTER to continue");
fflush(stdout);
for (size_t i = 0; i < 16; i++) {
getchar();
printf("4\n");
fflush(stdout);
}
while (1) {
getchar();
printf("%d\n", next_cypher(UINT32_MAX));
fflush(stdout);
}
return 0;
}