bile1.cpp: In function 'int main()': bile1.cpp:37: warning: name lookup of 'i' changed bile1.cpp:32: warning: matches this 'i' under ISO standard rules bile1.cpp:35: warning: matches this 'i' under old rules bile1.cpp: In function 'int DFS_mici(int)': bile1.cpp:58: warning: comparison between signed and unsigned integer expressions bile1.cpp: In function 'int DFS_mari(int)': bile1.cpp:73: warning: comparison between signed and unsigned integer expressions