0_0_34757296_3078.cpp: In function 'int main()': 0_0_34757296_3078.cpp:18:13: error: 'z' was not declared in this scope if(t!=n&&z!=m){ ^ 0_0_34757296_3078.cpp:34:11: error: 'w' was not declared in this scope if(q!=n&&w!=m){ ^