View Compilation Error

0_0_3001397_10698.cpp: In function `int main()':
0_0_3001397_10698.cpp:140: error: `Dp' undeclared (first use this function)
0_0_3001397_10698.cpp:140: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_3001397_10698.cpp:140: error: `po' undeclared (first use this function)