Compilare: user.cpp: In function ‘int main()’: user.cpp:96:8: warning: array subscript is above array bounds [-Warray-bounds] c[3].first.first=2; ^ user.cpp:97:8: warning: array subscript is above array bounds [-Warray-bounds] c[3].first.second=5; ^ user.cpp:98:8: warning: array subscript is above array bounds [-Warray-bounds] c[3].second.first=3; ^ user.cpp:99:8: warning: array subscript is above array bounds [-Warray-bounds] c[3].second.second=2; ^