View Compilation Error

0_0_17718110_31802.cpp: In function 'void suffix_sort(int)':
0_0_17718110_31802.cpp:37:13: error: 'n' was not declared in this scope
     if (xx>=n) return;
             ^
0_0_17718110_31802.cpp:39:16: error: 'n' was not declared in this scope
     for (i=0;i<n;i++)
                ^
0_0_17718110_31802.cpp:50:16: error: 'n' was not declared in this scope
     for (i=0;i<n;i++)
                ^
0_0_17718110_31802.cpp:63:16: error: 'n' was not declared in this scope
     for (i=0;i<n;i++)
                ^