numar1.cpp: In function 'int main()': numar1.cpp:7: warning: unused variable 'j' numar1.cpp:7: warning: unused variable 'z1' numar1.cpp:7: warning: unused variable 'c' numar1.cpp:7: warning: unused variable 'p' numar1.cpp:5: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result numar1.cpp:6: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result numar1.cpp:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result numar1.cpp:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result