0_0_13826130_32573.cpp: In function 'void init()':
0_0_13826130_32573.cpp:5:13: error: invalid operands of types '__gnu_cxx::__promote_2<int, int, double, double>::__type {aka double}' and 'int' to binary 'operator%'
#define MOD 1000000007
^
0_0_13826130_32573.cpp:39:34: note: in expansion of macro 'MOD'
f[i]=f[i]*pow(i+1,MOD-2)%MOD;
^
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