View Compilation Error

0_0_30739332_19692.cpp: In function 'int main()':
0_0_30739332_19692.cpp:40:2: error: 't' was not declared in this scope
  t=0;
  ^
0_0_30739332_19692.cpp:41:14: error: 'm' was not declared in this scope
  scanf("%d",&m);
              ^