minmax.cpp: In function 'int main()': minmax.cpp:7: warning: unused variable 'ant' minmax.cpp:7: warning: unused variable 'ult' minmax.cpp:7: warning: unused variable 'ult1' minmax.cpp:7: warning: unused variable 'ci' minmax.cpp:7: warning: unused variable 'ant1' minmax.cpp:7: warning: unused variable 'i' minmax.cpp:7: warning: unused variable 's' minmax.cpp:5: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result minmax.cpp:6: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result minmax.cpp:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result