0_0_4312587_16134.c: In function `main':
0_0_4312587_16134.c:6: error: `bool' undeclared (first use in this function)
0_0_4312587_16134.c:6: error: (Each undeclared identifier is reported only once
0_0_4312587_16134.c:6: error: for each function it appears in.)
0_0_4312587_16134.c:6: error: syntax error before "judge"
0_0_4312587_16134.c:9: error: `judge' undeclared (first use in this function)
0_0_4312587_16134.c:9: error: `true' undeclared (first use in this function)
0_0_4312587_16134.c:13: error: `false' undeclared (first use in this function)
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