View Compilation Error

875104_0_0_30787.cpp: In function `void Sort(int*, int)':
875104_0_0_30787.cpp:22: error: `i' undeclared (first use this function)
875104_0_0_30787.cpp:22: error: (Each undeclared identifier is reported only once for each function it appears in.)
875104_0_0_30787.cpp:22: error: `y' undeclared (first use this function)
875104_0_0_30787.cpp: At global scope:
875104_0_0_30787.cpp:25: error: expected declaration before '}' token