kafka.cpp: In function 'int main()': kafka.cpp:14: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' kafka.cpp:14: warning: format '%d' expects type 'int*', but argument 3 has type 'long int*' kafka.cpp:14: warning: format '%d' expects type 'int*', but argument 4 has type 'long int*' kafka.cpp:14: warning: format '%d' expects type 'int*', but argument 5 has type 'long int*' kafka.cpp:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result kafka.cpp:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result kafka.cpp:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result kafka.cpp:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result