joc11.cpp: In function `void findGroups(int, int, char)': joc11.cpp:17: warning: comparison between signed and unsigned integer expressions joc11.cpp:17: warning: comparison between signed and unsigned integer expressions joc11.cpp: In function `void del(int, int, char)': joc11.cpp:32: warning: comparison between signed and unsigned integer expressions joc11.cpp:32: warning: comparison between signed and unsigned integer expressions joc11.cpp: In function `void solve()': joc11.cpp:56: warning: comparison between signed and unsigned integer expressions joc11.cpp:57: warning: comparison between signed and unsigned integer expressions joc11.cpp:60: warning: comparison between signed and unsigned integer expressions joc11.cpp:61: warning: comparison between signed and unsigned integer expressions joc11.cpp:87: warning: comparison between signed and unsigned integer expressions joc11.cpp:94: warning: comparison between signed and unsigned integer expressions