代码

#include "router.h"
#include <unordered_map>

uint32_t big2little32(uint32_t big){
  return (
    ((big & 0xff000000) >> 24) |
    ((big & 0x00ff0000) >> 8) |
    ((big & 0x0000ff00) << 8) |
    ((big & 0x000000ff) << 24) 
  );
}

uint32_t truncated(uint32_t u, int high, int low){
  uint32_t tmp = (uint32_t)0xffffffff;
  tmp = (tmp >> (32 - high + low));
  tmp = tmp << low;
  tmp = tmp & u;
  return tmp;
}

std::unordered_map<uint32_t, RoutingTableEntry> routeMap;

void init(int n, int q, const RoutingTableEntry *a) {
	
}

unsigned query(unsigned addr) {
	return 0;
}

评测结果