cezar1.cpp: In function 'void citire()': cezar1.cpp:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cezar1.cpp:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cezar1.cpp: In function 'void dfs(short int)': cezar1.cpp:39: warning: comparison between signed and unsigned integer expressions cezar1.cpp: In function 'int main()': cezar1.cpp:61: warning: comparison between signed and unsigned integer expressions cezar1.cpp:51: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result cezar1.cpp:52: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result