运行 ID: 23971

Main.cc: In function ‘long long int BF()’:
Main.cc:74:13: error: expected primary-expression before ‘}’ token
             }
             ^
Main.cc: In function ‘void slv()’:
Main.cc:87:9: warning: unused variable ‘ct’ [-Wunused-variable]
     int ct=0;
         ^~