View Compilation Error

0_0_9410439_31175.cpp: In function `int main()':
0_0_9410439_31175.cpp:4: error: stray '\163' in program
0_0_9410439_31175.cpp:4: error: stray '\172' in program
0_0_9410439_31175.cpp:4: error: expected init-declarator before "x"
0_0_9410439_31175.cpp:4: error: expected `,' or `;' before "x"
0_0_9410439_31175.cpp:6: error: `sum' undeclared (first use this function)
0_0_9410439_31175.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9410439_31175.cpp:17: error: `x' undeclared (first use this function)
0_0_9410439_31175.cpp:18: error: `y' undeclared (first use this function)