ec.cpp: In function 'int main()': ec.cpp:13: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' ec.cpp:13: warning: format '%d' expects type 'int*', but argument 3 has type 'long int*' ec.cpp:16: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' ec.cpp:19: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[100]' ec.cpp:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result ec.cpp:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result ec.cpp:13: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result ec.cpp:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result ec.cpp:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result