c-gcc, 81 bytes

Result

WA

Code [DL]

main(j,s,a){for(;gets(&s);puts(&a))for(s=strtol(&s,0,j=a=48);--j;)a+=j*j-j==s*2;}

stdin

00111111
01110000
11100111
01011101
11011110
11001011
10001000
00001010
10001110
00001111
11000101
00101101
10011001
00111110
00000011
00010001
10001011
01101001
10011110
11010010
00100000
01001100
00000110
11100000
01011010
10010010
01000010
00100100
01110001
10111110
10101011
11010111
00000000
00110111
00000001
01111000
10110100
00101000
11111001
01011011
10010110
00111001
01001110
01000110
11111101
00011100
00010101
11111101
01110011
10011001

stdout

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

stderr

/tmp/code.c:1:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
 main(j,s,a){for(;gets(&s);puts(&a))for(s=strtol(&s,0,j=a=48);--j;)a+=j*j-j==s*2;}
 ^
/tmp/code.c: In function ‘main’:
/tmp/code.c:1:1: warning: type of ‘j’ defaults to ‘int’ [-Wimplicit-int]
/tmp/code.c:1:1: warning: type of ‘s’ defaults to ‘int’ [-Wimplicit-int]
/tmp/code.c:1:1: warning: type of ‘a’ defaults to ‘int’ [-Wimplicit-int]
/tmp/code.c:1:18: warning: implicit declaration of function ‘gets’ [-Wimplicit-function-declaration]
 main(j,s,a){for(;gets(&s);puts(&a))for(s=strtol(&s,0,j=a=48);--j;)a+=j*j-j==s*2;}
                  ^
/tmp/code.c:1:27: warning: implicit declaration of function ‘puts’ [-Wimplicit-function-declaration]
 main(j,s,a){for(;gets(&s);puts(&a))for(s=strtol(&s,0,j=a=48);--j;)a+=j*j-j==s*2;}
                           ^
/tmp/code.c:1:42: warning: implicit declaration of function ‘strtol’ [-Wimplicit-function-declaration]
 main(j,s,a){for(;gets(&s);puts(&a))for(s=strtol(&s,0,j=a=48);--j;)a+=j*j-j==s*2;}
                                          ^
/tmp/ccSicVPB.o: In function `main':
code.c:(.text.startup+0x14): warning: the `gets' function is dangerous and should not be used.

strace