gropi1.cpp: In function `int bs1(int, int)': gropi1.cpp:17: warning: `int f' might be used uninitialized in this function gropi1.cpp: In function `int bs2(int, int)': gropi1.cpp:34: warning: `int f' might be used uninitialized in this function gropi1.cpp: In function `int main()': gropi1.cpp:75: warning: comparison between signed and unsigned integer expressions gropi1.cpp:96: warning: comparison between signed and unsigned integer expressions