代码

#include <sys/auxv.h>
#include <stdint.h>
using namespace std;
struct DuckInfo { uint64_t abi_version; const char* stdin_ptr; uint64_t stdin_size; char* stdout_ptr; uint64_t stdout_limit; uint64_t stdout_size; char* stderr_ptr; uint64_t stderr_limit; uint64_t stderr_size; const char* IB_ptr; uint64_t IB_limit; char* OB_ptr; uint64_t OB_limit; uint64_t tsc_frequency; } __attribute__((packed));
#define AT_DUCK 0x6b637564UL
typedef long long ll;
static inline ll rd(const char*& p){ ll x=0; while(*p<'0'||*p>'9')++p; while(*p>='0'&&*p<='9'){x=x*10+(*p-'0');++p;} return x; }
static inline void exitasm(){ __asm__ __volatile__("mov $60, %%rax; xor %%rdi, %%rdi; syscall" ::: "rax","rdi","rcx","r11","memory"); }
int main(){
  struct DuckInfo *di=(struct DuckInfo*)getauxval(AT_DUCK);
  const char* p=di->stdin_ptr;
  int n=(int)rd(p), M=(int)rd(p), k=(int)rd(p);
  for(int i=0;i<n;i++){ rd(p);rd(p);rd(p);rd(p); }
  for(int i=0;i<k;i++){ rd(p); }
  di->stdout_ptr[0]='0'; di->stdout_ptr[1]='\n'; di->stdout_size=2;
  exitasm();
}

评测结果