View Compilation Error

0_0_32735813_23017.cpp: In function 'int main()':
0_0_32735813_23017.cpp:32:20: error: 'i' was not declared in this scope
                 dp[i][j] += maxIn3(dp[i+1][j-1], dp[i+1][j], dp[i+1][j+1]);
                    ^
0_0_32735813_23017.cpp: At global scope:
0_0_32735813_23017.cpp:37:5: error: expected unqualified-id before 'return'
     return 0;
     ^
0_0_32735813_23017.cpp:38:1: error: expected declaration before '}' token
 }
 ^