pwnable.kr coin1

from pwn import * 
 
def solve():
    _input = '' #
    cnt = 100
    for i in range(cnt): 
    
        data = s.recvline()
 
        N = int(data.split(' ')[0][2:]) # = 이후 부터 가져옴
        C = int(data.split(' ')[1][2:])
 
        left = 0 
        right = N -1    # start from 0
        print ('['+str(i+1)+']  N : ' + str(N) + ' '+' C : ' + str(C))
 
        _try = 0 #시도 결과
 
        while(left <= right):
            mid = (left + right) / 2
 
            for j in range(left,mid+1):
                _input += str(j) + ' '
 
            s.sendline(_input)
#            print("SEND : " + _input)
 
            result_line = s.recv(20).rstrip() # Read Next Line
 
            if 'Correct' in result_line: #SUCCESS
                print ('[' + str(i+1) + '] result :' + str(_input)+' _try : ' + str(_try))
                _input=''
                break
            elif 'Wrong' in result_line : #FAIL
                 print ('[' + str(i+1) + '] Wrong coin!')
                 cnt +=1 #카운트 하나더 추가
                 break
            else : 
                _try+=1
                result = int(result_line)
 
                if(result % 10) == 0: #모든 게 진짜 일경우 
                    left = mid + 1
                    _input = ''
                else: #하나라도 가짜 일 경우
                    right = mid
                    _input=''
 
s=remote("pwnable.kr",9007)
s.recv(2048)
solve()
s.interactive()