View Compilation Error

0_0_30105260_21109.cpp: In function 'int main()':
0_0_30105260_21109.cpp:47:37: error: 't' was not declared in this scope
                 cout << "Case #" << t << ": " << n << endl;
                                     ^
0_0_30105260_21109.cpp:53:41: error: 't' was not declared in this scope
                         cout<<"Case #"<<t<<": "<<m<<endl;
                                         ^
0_0_30105260_21109.cpp:57:53: error: 't' was not declared in this scope
                                 cout << "Case #" << t << ": " << n << endl;
                                                     ^
0_0_30105260_21109.cpp:59:53: error: 't' was not declared in this scope
                                 cout << "Case #" << t << ": " << n-m+1 << endl;
                                                     ^