제출 #106103

실행 실패 (제출 코드 컴파일 에러)

Main.cpp: In function ‘void backtrack(int, int, int)’:
Main.cpp:67:16: error: ‘prev_d’ was not declared in this scope
   67 |         if(i==(prev_d+2)%4) continue;
      |                ^~~~~~
Main.cpp:73:22: error: too many arguments to function ‘void backtrack(int, int, int)’
   73 |             backtrack(r, blue, rank+1, -1);
      |             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
Main.cpp:64:6: note: declared here
   64 | void backtrack(int r, int b, int rank){
      |      ^~~~~~~~~
Main.cpp:79:22: error: too many arguments to function ‘void backtrack(int, int, int)’
   79 |             backtrack(red, blue, rank+1, i);
      |             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
Main.cpp:64:6: note: declared here
   64 | void backtrack(int r, int b, int rank){
      |      ^~~~~~~~~
Main.cpp:84:22: error: too many arguments to function ‘void backtrack(int, int, int)’
   84 |             backtrack(red, blue, rank+1, i);
      |             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
Main.cpp:64:6: note: declared here
   64 | void backtrack(int r, int b, int rank){
      |      ^~~~~~~~~