Compilare: user.cpp: In function ‘int isij(int, int)’: user.cpp:10: warning: comparison between signed and unsigned integer expressions user.cpp:11: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int apartine(int, int)’: user.cpp:19: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void reuniune(int, int)’: user.cpp:25: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:34: warning: comparison between signed and unsigned integer expressions user.cpp:35: warning: comparison between signed and unsigned integer expressions user.cpp:42: warning: comparison between signed and unsigned integer expressions user.cpp:44: warning: comparison between signed and unsigned integer expressions user.cpp:48: warning: comparison between signed and unsigned integer expressions user.cpp:62: warning: comparison between signed and unsigned integer expressions user.cpp:65: warning: comparison between signed and unsigned integer expressions