View Compilation Error

0_0_9014675_20400.cpp: In function `void init()':
0_0_9014675_20400.cpp:149: error: `tm' undeclared (first use this function)
0_0_9014675_20400.cpp:149: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9014675_20400.cpp: In function `void solve()':
0_0_9014675_20400.cpp:187: error: `tm' undeclared (first use this function)