friends.cpp: In function 'void bkt(int)': friends.cpp:39: error: 'else' without a previous 'if' friends.cpp: In function 'int main()': friends.cpp:54: error: 'i' was not declared in this scope friends.cpp:54: error: 'j' was not declared in this scope friends.cpp:54: error: 'd' was not declared in this scope friends.cpp:56: error: 't' was not declared in this scope