terenuri.cpp: In function 'int main()': terenuri.cpp:122: warning: suggest explicit braces to avoid ambiguous 'else' terenuri.cpp:101: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result terenuri.cpp:102: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result terenuri.cpp:104: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result terenuri.cpp:106: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result