Result

WA

Code [DL]

for(i=0;i<50;i++)process.stdin.on('line',n=>console.log(1))

stdin

00001001
01110110
10101000
11111101
00110110
01000010
11011001
10001000
01000010
00000100
00100100
00110111
10000001
00011100
00010101
10111110
00101101
11111110
01001110
10101011
10011001
00001111
00000001
10110010
01011100
10001011
10100101
01011001
01101001
01011011
10010100
00101010
11101001
00001010
01000000
01001100
00000000
00000110
11000101
10010101
01111000
01010111
11100111
00000001
11100100
00111000
11010010
01111011
01000100
00000011

stdout

stderr

(node:5) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 line listeners added. Use emitter.setMaxListeners() to increase limit

strace