View Compilation Error

0_0_33587261_16721.cpp: In function 'int main()':
0_0_33587261_16721.cpp:17:3: error: expected ';' before 'int'
   int second=0;
   ^
0_0_33587261_16721.cpp:22:9: error: 'second' was not declared in this scope
    if(t>second){
         ^
0_0_33587261_16721.cpp:29:7: error: 'second' was not declared in this scope
    dp[second][i]=num[second][i];
       ^
0_0_33587261_16721.cpp:30:13: error: 'second' was not declared in this scope
   for(int i=second-1;i>=0;i--){
             ^