dir.cpp: In function 'int main()': dir.cpp:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result dir.cpp:25: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result dir.cpp: In function 'void rezolvare()': dir.cpp:86: warning: deprecated conversion from string constant to 'char*' dir.cpp: In function 'void citire()': dir.cpp:130: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result dir.cpp:131: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result dir.cpp: In function 'void init()': dir.cpp:136: warning: unused variable 'i' In file included from /usr/include/stdio.h:910, from /usr/include/c++/4.4/cstdio:45, from /usr/include/c++/4.4/fstream:43, from dir.cpp:1: In function 'char* gets(char*)', inlined from 'void citire()' at dir.cpp:130: /usr/include/bits/stdio2.h:230: warning: call to '__gets_warn' declared with attribute warning: please use fgets or getline instead, gets can't specify buffer size dir.cpp: In function 'void rezolvare()': dir.cpp:37: warning: 'inc' may be used uninitialized in this function /tmp/ccK0Agiv.o: In function `citire()': dir.cpp:(.text+0x9f): warning: the `gets' function is dangerous and should not be used. dir.cpp:(.text+0xb3): warning: the `gets' function is dangerous and should not be used.