View Compilation Error

0_0_33292228_29243.cpp:8:1: error: expected ';' before 'const'
 const int N = 2e5 + 7;
 ^
0_0_33292228_29243.cpp: In function 'int main()':
0_0_33292228_29243.cpp:99:37: error: expected primary-expression at end of input
                 else update(dfn[u],1,
                                     ^
0_0_33292228_29243.cpp:99:37: error: expected '}' at end of input
0_0_33292228_29243.cpp:99:37: error: expected '}' at end of input
0_0_33292228_29243.cpp:99:37: error: expected '}' at end of input
0_0_33292228_29243.cpp:99:37: error: expected '}' at end of input