View Compilation Error

0_0_24067528_8173.cpp:9:9: error: macro names must be identifiers
 #define 100000 MAXSIZE;
         ^
0_0_24067528_8173.cpp: In function 'int main()':
0_0_24067528_8173.cpp:15:23: error: 'MAXSIZE' was not declared in this scope
   vector<int>unionf(0,MAXSIZE);
                       ^
0_0_24067528_8173.cpp:17:4: error: 'unioinf' was not declared in this scope
    unioinf[i]=i;
    ^
0_0_24067528_8173.cpp:20:3: error: expected ',' or ';' before 'while'
   while(start!=0&&end!=0){
   ^
0_0_24067528_8173.cpp:47:1: error: expected '}' at end of input
 }
 ^
0_0_24067528_8173.cpp:47:1: error: expected '}' at end of input