View Compilation Error

0_0_34033073_11960.cpp:4:16: error: exponent has no digits
 const int maxn=1e７+7;
                ^
0_0_34033073_11960.cpp:4:1: error: stray '\243' in program
 const int maxn=1e７+7;
 ^
0_0_34033073_11960.cpp:4:1: error: stray '\267' in program
0_0_34033073_11960.cpp:5:29: error: size of array 'ans' is not an integral constant-expression
 int t,n[20],num,len,ans[maxn];
                             ^
0_0_34033073_11960.cpp:6:15: error: size of array 's' is not an integral constant-expression
 char ch,s[maxn];
               ^