0_0_10892278_23676.cpp:4: error: `main' must return `int'
0_0_10892278_23676.cpp: In function `int main(...)':
0_0_10892278_23676.cpp:19: error: `abs' undeclared (first use this function)
0_0_10892278_23676.cpp:19: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10892278_23676.cpp:24: error: expected `}' at end of input
0_0_10892278_23676.cpp:24: error: expected `}' at end of input
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