sumdivprod.cpp:25: warning: integer constant is too large for 'long' type sumdivprod.cpp:28: warning: integer constant is too large for 'long' type sumdivprod.cpp:31: warning: integer constant is too large for 'long' type sumdivprod.cpp: In function 'int main()': sumdivprod.cpp:21: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result sumdivprod.cpp:22: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result sumdivprod.cpp:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result