View Compilation Error

0_0_7075121_30123.cpp:49: error: new types may not be defined in a return type
0_0_7075121_30123.cpp:49: error: two or more data types in declaration of `mincost'
0_0_7075121_30123.cpp: In function `MinCostMaxFlow mincost(int, int, int, int&, int&)':
0_0_7075121_30123.cpp:51: error: `spfa' undeclared (first use this function)
0_0_7075121_30123.cpp:51: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_7075121_30123.cpp:54: error: `pnt' undeclared (first use this function)
0_0_7075121_30123.cpp:54: error: `cap' undeclared (first use this function)
0_0_7075121_30123.cpp:54: error: `road' undeclared (first use this function)
0_0_7075121_30123.cpp:54: error: `min' undeclared (first use this function)
0_0_7075121_30123.cpp:61: error: `dist' undeclared (first use this function)