0_0_4400823_21798.cpp: In function `int main()':
0_0_4400823_21798.cpp:95: error: `circle' undeclared (first use this function)
0_0_4400823_21798.cpp:95: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4400823_21798.cpp:103: error: expected primary-expression before "int"
0_0_4400823_21798.cpp:103: error: expected `;' before "int"
0_0_4400823_21798.cpp:103: error: `j' undeclared (first use this function)
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