View Compilation Error

0_0_23897240_23834.cpp: In function 'segmenttree* ReadData(int)':
0_0_23897240_23834.cpp:114:27: error: too few arguments to function 'segmenttree* STreeInit(int, STree)'
     STree ST = STreeInit(n);
                           ^
0_0_23897240_23834.cpp:49:7: note: declared here
 STree STreeInit(int n, STree ST) {
       ^
0_0_23897240_23834.cpp: In function 'void work()':
0_0_23897240_23834.cpp:128:22: error: too many arguments to function 'segmenttree* ReadData(int)'
   ST = ReadData(n, ST);
                      ^
0_0_23897240_23834.cpp:113:7: note: declared here
 STree ReadData(int n) {
       ^