USACO Section 2.1: Hamming Codes

挺简单的一道题

 /*
 ID: yingzho1
 LANG: C++
 TASK: hamming
 */
 #include <iostream>
 #include <fstream>
 #include <string>
 #include <map>
 #include <vector>
 #include <set>
 #include <algorithm>
 #include <stdio.h>
 #include <queue>
 #include <cstring>

 using namespace std;

 ifstream fin("hamming.in");
 ofstream fout("hamming.out");

 int N, B, D;

 int hamming(int l, int r) {
     int tmp = l ^ r;
     ;
     while (tmp) {
         ) ret++;
         tmp >>= ;
     }
     return ret;
 }

 int main()
 {
     fin >> N >> B >> D;
     ;
     vector<int> words;
     words.push_back();
     ; num < ( << B); num++) {
         if (acount == N) break;
         ;
         for (; j < words.size(); j++) {
             if (hamming(num, words[j]) < D) break;
         }
         if (j == words.size()) {
             words.push_back(num);
             acount++;
         }
     }
     ; i < N; i++) {
         fout << words[i];
          !=  && i != N-) fout << " ";
         else fout << endl;
     }

     ;
 }
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