paianjen.cpp: In function 'void sterg(int, int)': paianjen.cpp:23: warning: comparison between signed and unsigned integer expressions paianjen.cpp:26: warning: comparison between signed and unsigned integer expressions paianjen.cpp:30: warning: comparison between signed and unsigned integer expressions paianjen.cpp:33: warning: comparison between signed and unsigned integer expressions paianjen.cpp: In function 'int main()': paianjen.cpp:93: warning: comparison between signed and unsigned integer expressions paianjen.cpp:103: warning: format '%d' expects type 'int', but argument 2 has type 'eu' paianjen.cpp:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result paianjen.cpp:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result paianjen.cpp:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result paianjen.cpp:43: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result paianjen.cpp:61: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result paianjen.cpp:65: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result