View Compilation Error

0_0_21946931_16830.cpp:144:2: error: 'uint' does not name a type
  uint solve(int res) {
  ^
0_0_21946931_16830.cpp: In function 'int main()':
0_0_21946931_16830.cpp:205:16: error: 'struct K_PATH' has no member named 'solve'
   cout << Main.solve(k) << endl;
                ^