harta2.cpp: In function `int emptyup(int)': harta2.cpp:69: warning: control reaches end of non-void function harta2.cpp: In function `int emptydown(int)': harta2.cpp:76: warning: control reaches end of non-void function harta2.cpp: In function `int emptyleft(int)': harta2.cpp:102: warning: control reaches end of non-void function harta2.cpp: In function `int emptyright(int)': harta2.cpp:113: warning: control reaches end of non-void function harta2.cpp: In function `int main()': harta2.cpp:141: warning: name lookup of `i' changed harta2.cpp:130: warning: matches this `i' under ISO standard rules harta2.cpp:135: warning: matches this `i' under old rules harta2.cpp:130: warning: `int q' might be used uninitialized in this function