stalpi1.cpp: In function 'void read()': stalpi1.cpp:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result stalpi1.cpp:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result stalpi1.cpp: In function 'int main()': stalpi1.cpp:60: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result stalpi1.cpp:61: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result stalpi1.cpp: In function 'void solve()': stalpi1.cpp:44: warning: 'best' may be used uninitialized in this function