Compilare: user.cpp: In function ‘int bs0(unsigned int*, int, int, int)’: user.cpp:9: warning: comparison between signed and unsigned integer expressions user.cpp:12: warning: comparison between signed and unsigned integer expressions user.cpp:16: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int bs1(unsigned int*, int, int, int)’: user.cpp:27: warning: comparison between signed and unsigned integer expressions user.cpp:27: warning: comparison between signed and unsigned integer expressions user.cpp:29: warning: comparison between signed and unsigned integer expressions user.cpp:29: warning: comparison between signed and unsigned integer expressions user.cpp:33: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int bs2(unsigned int*, int, int, int)’: user.cpp:44: warning: comparison between signed and unsigned integer expressions user.cpp:44: warning: comparison between signed and unsigned integer expressions user.cpp:46: warning: comparison between signed and unsigned integer expressions user.cpp:46: warning: comparison between signed and unsigned integer expressions user.cpp:50: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:60: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:61: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘int bs1(unsigned int*, int, int, int)’: user.cpp:24: warning: ‘mid’ may be used uninitialized in this function user.cpp: In function ‘int bs2(unsigned int*, int, int, int)’: user.cpp:41: warning: ‘mid’ may be used uninitialized in this function