View Compilation Error

0_0_36221008_12554.cpp:72:8: error: conflicting declaration 'int x [200200]'
 int x[M];
        ^
0_0_36221008_12554.cpp:6:5: note: previous declaration as 'int x [100100]'
 int x[M],re[M];
     ^
0_0_36221008_12554.cpp: In function 'void init()':
0_0_36221008_12554.cpp:73:6: error: redefinition of 'void init()'
 void init()
      ^
0_0_36221008_12554.cpp:7:6: note: 'void init()' previously defined here
 void init()
      ^
0_0_36221008_12554.cpp: In function 'int find(int)':
0_0_36221008_12554.cpp:78:5: error: redefinition of 'int find(int)'
 int find(int k)
     ^
0_0_36221008_12554.cpp:14:5: note: 'int find(int)' previously defined here
 int find(int k)
     ^
0_0_36221008_12554.cpp: In function 'int main()':
0_0_36221008_12554.cpp:94:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_36221008_12554.cpp:30:5: note: 'int main()' previously defined here
 int main()
     ^