Line 17: error: conio.h: No such file or directory
Line 10: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'KiemTraChinhPhuong'
In function 'LietKeChinhPhuong':
Line 17: error: 'for' loop initial declaration used outside C99 mode
Line 19: error: 'true' undeclared (first use in this function)
Line 19: error: (Each undeclared identifier is reported only once
Line 19: error: for each function it appears in.)