telefon.cpp: In function `void read()': telefon.cpp:18: warning: char format, different type arg (arg 3) telefon.cpp: In function `void show()': telefon.cpp:49: parse error before `)' token telefon.cpp:51: warning: comparison between signed and unsigned integer expressions telefon.cpp:49: warning: unused variable `int j' telefon.cpp:48: warning: unused variable `bool OK' telefon.cpp:56: parse error before `{' token telefon.cpp:58: `k' undeclared (first use this function) telefon.cpp:58: (Each undeclared identifier is reported only once for each function it appears in.) telefon.cpp: In function `int main()': telefon.cpp:79: `BKT' undeclared (first use this function)