Compilare: user.cpp: In function ‘int solve(long long int)’: user.cpp:30: warning: comparison between signed and unsigned integer expressions user.cpp:34: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void bsearch()’: user.cpp:46: warning: unused variable ‘i’ user.cpp: In function ‘int main()’: user.cpp:89: warning: format ‘%.2Lf’ expects type ‘long double’, but argument 2 has type ‘double’ user.cpp:70: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:71: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:73: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:77: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result