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View Compilation Error

0_0_8004986_402.cpp: In function `int tarjan_dfs(int, int)':
0_0_8004986_402.cpp:39: error: `temp' undeclared (first use this function)
0_0_8004986_402.cpp:39: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8004986_402.cpp:42: error: `stack' undeclared (first use this function)
0_0_8004986_402.cpp:42: error: `top' undeclared (first use this function)
0_0_8004986_402.cpp:43: error: `edge' undeclared (first use this function)
0_0_8004986_402.cpp:52: error: `scc_num' undeclared (first use this function)
0_0_8004986_402.cpp: In function `int tarjan()':
0_0_8004986_402.cpp:62: error: new declaration `int tarjan()'
0_0_8004986_402.cpp:26: error: ambiguates old declaration `void tarjan()'
0_0_8004986_402.cpp: In function `int tarjan()':
0_0_8004986_402.cpp:64: error: `scc_num' undeclared (first use this function)
0_0_8004986_402.cpp:65: error: `temp' undeclared (first use this function)
0_0_8004986_402.cpp:65: error: `memset' undeclared (first use this function)
0_0_8004986_402.cpp:67: error: `top' undeclared (first use this function)


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