agenda.cpp: In function 'int main()': agenda.cpp:62: warning: statement has no effect agenda.cpp:71: warning: statement has no effect agenda.cpp:77: warning: statement has no effect agenda.cpp:80: warning: statement has no effect agenda.cpp:87: warning: statement has no effect agenda.cpp:90: warning: statement has no effect agenda.cpp:40: warning: unused variable 'j' agenda.cpp: In function 'void bkt(int, int)': agenda.cpp:186: warning: statement has no effect