View Compilation Error

0_0_32774026_20139.cpp: In function 'int main()':
0_0_32774026_20139.cpp:29:37: error: 'f' was not declared in this scope
                 dp[i][j]=dp[i-1][j]-f[i].a;
                                     ^
0_0_32774026_20139.cpp:31:60: error: 'hh' was not declared in this scope
                     dp[i][j]=min(dp[i][j],max(dp[i-1][j-1],hh-suma[i]-f[i].b));
                                                            ^
0_0_32774026_20139.cpp:31:63: error: 'suma' was not declared in this scope
                     dp[i][j]=min(dp[i][j],max(dp[i-1][j-1],hh-suma[i]-f[i].b));
                                                               ^