View Compilation Error

0_0_36708536_4662.cpp: In function 'int main()':
0_0_36708536_4662.cpp:28:27: error: lvalue required as left operand of assignment
 dp[i+1][j]|=dp[i][j];  0|1=1,0|0=0,1|1=1
                           ^
0_0_36708536_4662.cpp:28:33: error: lvalue required as left operand of assignment
 dp[i+1][j]|=dp[i][j];  0|1=1,0|0=0,1|1=1
                                 ^
0_0_36708536_4662.cpp:28:39: error: lvalue required as left operand of assignment
 dp[i+1][j]|=dp[i][j];  0|1=1,0|0=0,1|1=1
                                       ^