View Compilation Error

0_0_6914213_18236.cpp: In function `void update(int, int, int, int)':
0_0_6914213_18236.cpp:180: error: redefinition of `void update(int, int, int, int)'
0_0_6914213_18236.cpp:60: error: `void update(int, int, int, int)' previously defined here
0_0_6914213_18236.cpp: In function `void solve()':
0_0_6914213_18236.cpp:238: error: no matching function for call to `sort(st[10020], st*, <unknown type>)'
0_0_6914213_18236.cpp: In function `int main()':
0_0_6914213_18236.cpp:252: error: redefinition of `int main()'
0_0_6914213_18236.cpp:73: error: `int main()' previously defined here