View Compilation Error

0_0_29650072_9482.cpp: In function 'int main()':
0_0_29650072_9482.cpp:125:14: error: 'T' was not declared in this scope
  scanf("%d",&T);
              ^
0_0_29650072_9482.cpp:130:18: error: 'n' was not declared in this scope
   scanf("%d %d",&n,&m);
                  ^
0_0_29650072_9482.cpp:130:21: error: 'm' was not declared in this scope
   scanf("%d %d",&n,&m);
                     ^
0_0_29650072_9482.cpp:172:15: error: 'k' was not declared in this scope
   scanf("%d",&k);
               ^