View Compilation Error

0_0_2647735_25045.cpp: In function `int main()':
0_0_2647735_25045.cpp:10: error: `i' undeclared (first use this function)
0_0_2647735_25045.cpp:10: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2647735_25045.cpp:12: error: no matching function for call to `sort(int*)'