weekly_problem_snippet/snippet.c

// Created by Synth Magic
// 2024-11-27 22:57
// TODO: Refactor the code by need
// TODO: Add ExceptionHandler on windows and signal system on linux
#include <ctype.h>
#include <minwindef.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <vadefs.h>
// Time Limit (normally 1s)
// 题目的时限(通常为1秒)
const unsigned int case_millseconds = 1000;
bool exception_happens = false;
unsigned int curr_testcase = 0, sum_mark = 0;
size_t cur_output = 0;
#define MAX_IONUM 100000
char output_buffer[MAX_IONUM];

#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN64)
#include <windows.h>
static LPTOP_LEVEL_EXCEPTION_FILTER prev = NULL;
const DWORD EXCEPTIONS[20] = {EXCEPTION_ACCESS_VIOLATION,
                              EXCEPTION_ARRAY_BOUNDS_EXCEEDED,
                              EXCEPTION_DATATYPE_MISALIGNMENT,
                              EXCEPTION_FLT_DENORMAL_OPERAND,
                              EXCEPTION_FLT_DIVIDE_BY_ZERO,
                              EXCEPTION_FLT_INEXACT_RESULT,
                              EXCEPTION_FLT_INVALID_OPERATION,
                              EXCEPTION_FLT_OVERFLOW,
                              EXCEPTION_FLT_STACK_CHECK,
                              EXCEPTION_FLT_UNDERFLOW,
                              EXCEPTION_GUARD_PAGE,
                              EXCEPTION_ILLEGAL_INSTRUCTION,
                              EXCEPTION_INT_DIVIDE_BY_ZERO,
                              EXCEPTION_INT_OVERFLOW,
                              EXCEPTION_INVALID_DISPOSITION,
                              EXCEPTION_INVALID_HANDLE,
                              EXCEPTION_IN_PAGE_ERROR,
                              EXCEPTION_NONCONTINUABLE_EXCEPTION,
                              EXCEPTION_PRIV_INSTRUCTION,
                              EXCEPTION_STACK_OVERFLOW};
// NOT WORKING
LONG WINAPI exception_filter(EXCEPTION_POINTERS *exception_pointers) {
  EXCEPTION_RECORD *const exception_record =
      exception_pointers->ExceptionRecord;
  const DWORD code = exception_record->ExceptionCode;
  unsigned int i;
  for (i = 0; i < 20; i++) {
    if (code == EXCEPTIONS[i]) {
      printf("\x1b[31mCatching Exception at %p,This testcase will be marked as "
             "Runtime Error\x1b[0m\n",
             exception_record->ExceptionAddress);
      exception_happens = true;
      return EXCEPTION_EXECUTE_HANDLER;
    }
  }
  return EXCEPTION_CONTINUE_SEARCH;
}
FILE *memopen(const char *buf, const char *mode) {
  char temppath[MAX_PATH - 13];
  if (0 == GetTempPath(sizeof(temppath), temppath)) {
    printf("\x1b[31mERROR:While creating tempoary file,Can't get temp "
           "path\x1b[0m\n");
    return NULL;
  }
  char filename[MAX_PATH + 1];
  if (0 == GetTempFileName(temppath, "TMP", 0, filename)) {
    printf("\x1b[31mERROR:While creating tempoary file,Can't get file "
           "name\x1b[0m\n");
    return NULL;
  }
  FILE *f;
  if ((f = fopen(filename, "w+")) == NULL) {
    printf("\x1b[31mERROR:While creating tempoary file,The file '%s' was not "
           "opened\x1b[0m\n",
           filename);
    return NULL;
  }
  fputs(buf, f);
  fclose(f);
  FILE *f2;
  if ((f2 = fopen(filename, mode)) != NULL)
    return f2;
  else
    return NULL;
}
#elif defined(__linux__)
#define memopen fmemopen
#endif
#if defined(__APPLE__) || defined(__MACH__) || defined(BSD)
#error Unsupported OS
#endif
char *trim(char *s) {
  while (isspace(*s))
    s++;
  char *back = s + strlen(s);
  while (isspace(*--back))
    ;
  *(back + 1) = '\0';
  return s;
}
unsigned int crc32f(unsigned char *message) {
  int i = 0, j;
  unsigned int byte, crc = 0xFFFFFFFF, mask;
  while (message[i] != 0) {
    byte = message[i];
    crc = crc ^ byte;
    for (j = 7; j >= 0; j--) {
      mask = -(crc & 1);
      crc = (crc >> 1) ^ (0xEDB88320 & mask);
    }
    i = i + 1;
  }
  return ~crc;
}

void tprintf(const char *format, ...) {
  char *buffer;
  va_list args;
  va_start(args, format);
  vsprintf(buffer, format, args);
  size_t len = strlen(buffer);
  memcpy(output_buffer + cur_output, buffer, sizeof(char) * len);
  va_end(args);
  cur_output += len;
}
#define tscanf(format, ...) fscanf(in, format, __VA_ARGS__)
void solve(FILE *);
unsigned int run_testcase(const char *input, unsigned int crc32,
                          unsigned int mark) {
  curr_testcase++;
  sum_mark += mark;
  unsigned int ret = mark;
  printf("\x1b[34mJudging Testcase #%d\x1b[0m\n", curr_testcase);
  FILE *in_fp = memopen(input, "r+");
  if (in_fp == NULL) {
    printf("\x1b[31mFATAL ERROR: Cannot Create stdin file,aborting\x1b[0m\n");
    exit(1);
  }
#ifdef _WIN32
  prev = SetUnhandledExceptionFilter(exception_filter);
#endif
  struct timespec then, now;
  clock_gettime(CLOCK_REALTIME, &then);
  solve(in_fp);
  clock_gettime(CLOCK_REALTIME, &now);
#ifdef _WIN32
  SetUnhandledExceptionFilter(prev);
  prev = NULL;
#endif
  fclose(in_fp);
  if ((now.tv_sec - then.tv_sec) * 1000 +
          (now.tv_nsec - then.tv_nsec) / 1000000 >=
      case_millseconds) {
    printf("\x1b[34mTime Limit Excceed on Testcase #%d\x1b[0m\n",
           curr_testcase);
    ret = 0;
  } else if (crc32f((unsigned char *)trim(output_buffer)) != crc32) {
    printf("\x1b[31mWrong Answer on Testcase #%d\x1b[0m\n", curr_testcase);
    ret = 0;
  } else if (exception_happens) {
    printf("\x1b[95mRuntime Error on Testcase #%d\x1b[0m\n", curr_testcase);
    ret = 0;
  } else {
    printf("\x1b[32mAccepted on Testcase #%d\x1b[0m\n", curr_testcase);
  }
  memset((void *)output_buffer, 0, MAX_IONUM);
  cur_output = 0;
  exception_happens = false;
  return ret;
}

// 你的代码放到这里
void solve(FILE *in) { int a = 1 / 0; }

int main(void) {
  unsigned int total_get = 0;
  printf("\x1b[34mStart Judging...\x1b[0m\n");
  total_get += run_testcase("1 2", 1842515611, 50);
  total_get += run_testcase("114514 1919810", 3586865669, 50);

  printf("\x1b[34mTotal testcase %d\nTotal mark %d/%d\x1b[0m", curr_testcase,
         total_get, sum_mark);
  return 0;
}