View Compilation Error

0_0_39310544_22952.cpp: In function 'int main()':
0_0_39310544_22952.cpp:7:17: error: 't' was not declared in this scope
    7 |                 t=0,s=0;
      |                 ^
0_0_39310544_22952.cpp:7:21: error: 's' was not declared in this scope
    7 |                 t=0,s=0;
      |                     ^