View Compilation Error

0_0_2294639_31136.cpp:15: error: size of array `Flow' is too large
0_0_2294639_31136.cpp: In function `void add(int, int, int, int)':
0_0_2294639_31136.cpp:21: error: `Flow' undeclared (first use this function)
0_0_2294639_31136.cpp:21: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2294639_31136.cpp: In function `bool init()':
0_0_2294639_31136.cpp:33: error: `Flow' undeclared (first use this function)
0_0_2294639_31136.cpp: In function `int spfa()':
0_0_2294639_31136.cpp:79: error: `Flow' undeclared (first use this function)
0_0_2294639_31136.cpp: In function `int main()':
0_0_2294639_31136.cpp:126: error: `Flow' undeclared (first use this function)