View Compilation Error

0_0_26259759_25796.cpp: In function 'void senext()':
0_0_26259759_25796.cpp:24:5: error: 'next1' was not declared in this scope
     next1[0]=-1;
     ^
0_0_26259759_25796.cpp:25:13: error: 'n' was not declared in this scope
     while(i<n)
             ^
0_0_26259759_25796.cpp: In function 'int main()':
0_0_26259759_25796.cpp:46:17: error: too many arguments to function 'void senext()'
         senext(m);
                 ^
0_0_26259759_25796.cpp:21:6: note: declared here
 void senext()
      ^