0_0_6269607_3685.cpp: In function `int f(int)':
0_0_6269607_3685.cpp:7: error: pointer to a function used in arithmetic
0_0_6269607_3685.cpp:7: error: pointer to a function used in arithmetic
0_0_6269607_3685.cpp:7: error: pointer to a function used in arithmetic
0_0_6269607_3685.cpp:7: error: pointer to a function used in arithmetic
0_0_6269607_3685.cpp:7: error: invalid operands of types `int ()(int)' and `int ()(int)' to binary `operator+'
0_0_6269607_3685.cpp: In function `int main()':
0_0_6269607_3685.cpp:18: error: pointer to a function used in arithmetic
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