suma3.cpp:46: warning: integer constant is too large for 'long' type suma3.cpp:47: warning: integer constant is too large for 'long' type suma3.cpp:77: warning: integer constant is too large for 'long' type suma3.cpp: In function 'int main()': suma3.cpp:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result suma3.cpp:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result suma3.cpp:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result suma3.cpp:50: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result