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View Compilation Error

0_0_11307779_31641.cpp:11: error: expected constructor, destructor, or type conversion before '<' token
0_0_11307779_31641.cpp:11: error: expected `,' or `;' before '<' token
0_0_11307779_31641.cpp: In function `void add_edge(int, int, int)':
0_0_11307779_31641.cpp:16: error: `G' undeclared (first use this function)
0_0_11307779_31641.cpp:16: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11307779_31641.cpp: In function `int dfs(int, int, int)':
0_0_11307779_31641.cpp:22: error: `G' undeclared (first use this function)
0_0_11307779_31641.cpp: In function `int max_flow(int, int)':
0_0_11307779_31641.cpp:39: error: `INF' undeclared (first use this function)
0_0_11307779_31641.cpp: In function `bool dfs(int)':
0_0_11307779_31641.cpp:46: error: `G' undeclared (first use this function)
0_0_11307779_31641.cpp: In function `void printmat()':
0_0_11307779_31641.cpp:58: error: `G' undeclared (first use this function)
0_0_11307779_31641.cpp: In function `int main()':
0_0_11307779_31641.cpp:73: error: `L' undeclared (first use this function)
0_0_11307779_31641.cpp:101: error: no matching function for call to `dfs()'
0_0_11307779_31641.cpp:19: note: candidates are: int dfs(int, int, int)
0_0_11307779_31641.cpp:44: note:                 bool dfs(int)


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