/in/foo.cc: In function 'int dcmp(double, double)':
/in/foo.cc:27:55: error: a function-definition is not allowed here before '{' token
 void _addEdge(int begin, int end, flow_t c, cost_t w) {
                                                       ^
/in/foo.cc:35:72: error: a function-definition is not allowed here before '{' token
 void addEdge(int begin, int end, flow_t c, int edgeType, cost_t w = 1) {
                                                                        ^
/in/foo.cc:40:13: error: a function-definition is not allowed here before '{' token
 void init() {
             ^
/in/foo.cc:45:18: error: a function-definition is not allowed here before '{' token
 bool markLevel() {
                  ^
/in/foo.cc:86:1: error: expected '}' at end of input
 }
 ^