panouri.cpp:14: warning: integer constant is too large for 'long' type panouri.cpp: In function 'int main()': panouri.cpp:14: warning: overflow in implicit constant conversion panouri.cpp:14: warning: unused variable 'nr' panouri.cpp:14: warning: unused variable 'max' panouri.cpp:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result panouri.cpp:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result panouri.cpp:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result panouri.cpp:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result panouri.cpp:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result panouri.cpp:18: warning: 'first' may be used uninitialized in this function