View Compilation Error

0_0_36169918_32194.cpp: In function 'void init()':
0_0_36169918_32194.cpp:29:422: error: expected ';' before ')' token
             dp[i] += dp[t];                                                                                                                                                                                                                                                                                                                                                                                                 j * j - j) / 2] * r;
                                                                                                                                                                                                                                                                                                                                                                                                                                      ^