uscat.cpp: In function `int bs()': uscat.cpp:24: warning: `int last' might be used uninitialized in this function uscat.cpp: In function `int main()': uscat.cpp:44: warning: int format, long int arg (arg 2) uscat.cpp:47: warning: int format, long int arg (arg 2) uscat.cpp:51: warning: int format, long int arg (arg 2) uscat.cpp:54: warning: int format, long int arg (arg 2) uscat.cpp:60:2: warning: no newline at end of file