View Compilation Error

0_0_30097944_9003.cpp: In function 'void add(int, int)':
0_0_30097944_9003.cpp:9:9: error: 'd' was not declared in this scope
         d[x][i]=d[x-1][i];
         ^
0_0_30097944_9003.cpp:15:17: error: 'd' was not declared in this scope
             if(!d[x][i]){ 
                 ^
0_0_30097944_9003.cpp:21:22: error: 'd' was not declared in this scope
                 swap(d[x][i],val);
                      ^
0_0_30097944_9003.cpp:24:18: error: 'd' was not declared in this scope
             val^=d[x][i];    
                  ^
0_0_30097944_9003.cpp: In function 'int main()':
0_0_30097944_9003.cpp:85:7: error: 'ms' was not declared in this scope
   ms(p);
       ^
0_0_30097944_9003.cpp:88:14: error: 'n' was not declared in this scope
         cin>>n>>m;
              ^
0_0_30097944_9003.cpp:88:17: error: 'm' was not declared in this scope
         cin>>n>>m;
                 ^