implementer.cpp: In function ‘int main()’:
implementer.cpp:59:30: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   59 |         read(A),read(B),scanf("%u",&c);
      |                         ~~~~~^~~~~~~~~
implementer.cpp: In function ‘void {anonymous}::read(std::bitset<2097152>&)’:
implementer.cpp:11:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   11 |                 scanf("%s",str);
      |                 ~~~~~^~~~~~~~~~
answer.code:7:23: error: ‘M’ was not declared in this scope
    7 |         int S, c, cnt[M], cur = 20;
      |                       ^
answer.code:9:27: error: ‘M’ was not declared in this scope
    9 |         void initA(bitset<M> _A, unsigned _S, unsigned _c){
      |                           ^
answer.code:9:28: error: template argument 1 is invalid
    9 |         void initA(bitset<M> _A, unsigned _S, unsigned _c){
      |                            ^
answer.code: In function ‘void Alice::initA(int, unsigned int, unsigned int)’:
answer.code:11:37: error: ‘M’ was not declared in this scope
   11 |                 for (int i = 0; i < M; i++) cnt[i] = _A[i];
      |                                     ^
answer.code:11:45: error: ‘cnt’ was not declared in this scope; did you mean ‘int’?
   11 |                 for (int i = 0; i < M; i++) cnt[i] = _A[i];
      |                                             ^~~
      |                                             int
answer.code:11:56: error: invalid types ‘int[int]’ for array subscript
   11 |                 for (int i = 0; i < M; i++) cnt[i] = _A[i];
      |                                                        ^
answer.code:12:37: error: ‘M’ was not declared in this scope
   12 |                 for (int i = 1; i < M; i++) cnt[i] += cnt[i-1];
      |                                     ^
answer.code:12:45: error: ‘cnt’ was not declared in this scope; did you mean ‘int’?
   12 |                 for (int i = 1; i < M; i++) cnt[i] += cnt[i-1];
      |                                             ^~~
      |                                             int
answer.code:13:21: error: ‘cnt’ was not declared in this scope; did you mean ‘int’?
   13 |                 if (cnt[(1<<20)-1] >= c){
      |                     ^~~
      |                     int
answer.code:16:33: error: ‘sendA’ was not declared in this scope
   16 |                                 sendA(1);
      |                                 ^~~~~
answer.code:23:33: error: ‘sendA’ was not declared in this scope
   23 |                                 sendA(getbit(cnt[(1<<20)-1], i));
      |                                 ^~~~~
answer.code: In function ‘void Alice::receiveA(bool)’:
answer.code:32:27: error: ‘cnt’ was not declared in this scope; did you mean ‘int’?
   32 |                 int num = cnt[ans+(1<<cur)-1];
      |                           ^~~
      |                           int
answer.code:36:33: error: ‘sendA’ was not declared in this scope
   36 |                                 sendA(1);
      |                                 ^~~~~
answer.code:43:33: error: ‘sendA’ was not declared in this scope
   43 |                                 sendA(getbit(num, i));
      |                                 ^~~~~
answer.code: At global scope:
answer.code:48:23: error: ‘M’ was not declared in this scope
   48 |         int S, c, cnt[M], cur = 20, k = 20, num = 0, tmp = 0;
      |                       ^
answer.code:50:32: error: ‘M’ was not declared in this scope
   50 |         void initB(std::bitset<M> _B, unsigned _S, unsigned _c){
      |                                ^
answer.code:50:33: error: template argument 1 is invalid
   50 |         void initB(std::bitset<M> _B, unsigned _S, unsigned _c){
      |                                 ^
answer.code: In function ‘void Bob::initB(int, unsigned int, unsigned int)’:
answer.code:52:37: error: ‘M’ was not declared in this scope
   52 |                 for (int i = 0; i < M; i++) cnt[i] = _B[i];
      |                                     ^
answer.code:52:45: error: ‘cnt’ was not declared in this scope; did you mean ‘int’?
   52 |                 for (int i = 0; i < M; i++) cnt[i] = _B[i];
      |                                             ^~~
      |                                             int
answer.code:52:56: error: invalid types ‘int[int]’ for array subscript
   52 |                 for (int i = 0; i < M; i++) cnt[i] = _B[i];
      |                                                        ^
answer.code:53:37: error: ‘M’ was not declared in this scope
   53 |                 for (int i = 1; i < M; i++) cnt[i] += cnt[i-1];
      |                                     ^
answer.code:53:45: error: ‘cnt’ was not declared in this scope; did you mean ‘int’?
   53 |                 for (int i = 1; i < M; i++) cnt[i] += cnt[i-1];
      |                      ...