nkbiti.cpp: In function 'void up1(int (*)[50], int (*)[50])': nkbiti.cpp:20: warning: missing braces around initializer for 'int [50]' nkbiti.cpp: In function 'void up2(int (*)[50], int (*)[50])': nkbiti.cpp:34: warning: missing braces around initializer for 'int [50]' nkbiti.cpp: In function 'int main()': nkbiti.cpp:49: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result nkbiti.cpp:50: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result nkbiti.cpp:52: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result