View Compilation Error

0_0_16614136_16274.cpp: In function 'void test()':
0_0_16614136_16274.cpp:47:4: error: 'line' was not declared in this scope
    line[j] = line[j - 1] + gcd(i&j, i | j);
    ^
0_0_16614136_16274.cpp:48:4: error: 'sum' was not declared in this scope
    sum[i][j] = sum[i - 1][j] + line[j];
    ^