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:14: 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:25: warning: comparison between signed and unsigned integer expressions user.cpp:25: warning: comparison between signed and unsigned integer expressions 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: In function ‘int bs2(unsigned int*, int, int, int)’: user.cpp:40: warning: comparison between signed and unsigned integer expressions user.cpp:40: warning: comparison between signed and unsigned integer expressions user.cpp:42: warning: comparison between signed and unsigned integer expressions user.cpp:42: warning: comparison between signed and unsigned integer expressions user.cpp:44: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:54: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:55: 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:22: warning: ‘mid’ may be used uninitialized in this function user.cpp: In function ‘int bs2(unsigned int*, int, int, int)’: user.cpp:37: warning: ‘mid’ may be used uninitialized in this function