View Compilation Error

0_0_35769248_20793.cpp: In function 'int main()':
0_0_35769248_20793.cpp:29:26: error: 'x' was not declared in this scope
             int t = g[j][x];
                          ^
0_0_35769248_20793.cpp:30:16: error: 'i' was not declared in this scope
             dp[i+1][t] += dp[i][j];
                ^