ziduri.cpp: In function 'int main()': ziduri.cpp:58: warning: suggest explicit braces to avoid ambiguous 'else' ziduri.cpp:69: warning: suggest explicit braces to avoid ambiguous 'else' ziduri.cpp:80: warning: suggest explicit braces to avoid ambiguous 'else' ziduri.cpp:91: warning: suggest explicit braces to avoid ambiguous 'else' ziduri.cpp:111: warning: comparison between signed and unsigned integer expressions ziduri.cpp:51: warning: unused variable 'm' ziduri.cpp:51: warning: unused variable 'n1' ziduri.cpp:51: warning: unused variable 'n2' ziduri.cpp:51: warning: unused variable 'c' ziduri.cpp:49: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result ziduri.cpp:50: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result ziduri.cpp:52: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result ziduri.cpp:57: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result