View Compilation Error

0_0_28929671_14194.cpp: In function 'void nxt()':
0_0_28929671_14194.cpp:8:10: error: 'void nxt()' redeclared as different kind of symbol
 void nxt()
          ^
0_0_28929671_14194.cpp:6:25: note: previous declaration 'int nxt [1000005]'
 int n,m,extend[1000005],nxt[1000005];
                         ^
0_0_28929671_14194.cpp: In function 'int main()':
0_0_28929671_14194.cpp:73:7: error: 'nxt' cannot be used as a function
   nxt();
       ^