viteza.cpp: In function 'void read(int*)': viteza.cpp:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result viteza.cpp: In function 'int main()': viteza.cpp:74: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result viteza.cpp:75: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result viteza.cpp:79: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result viteza.cpp: In function 'int* getmin(int*, int*)': viteza.cpp:46: warning: control reaches end of non-void function viteza.cpp: In function 'int* getmax(int*, int*)': viteza.cpp:39: warning: control reaches end of non-void function