Compilare: main.cpp: In function 'int main()': main.cpp:79:13: warning: statement has no effect [-Wunused-value] type; ^ main.cpp:82:14: warning: statement has no effect [-Wunused-value] x; ^ main.cpp:105:19: warning: left operand of comma operator has no effect [-Wunused-value] a,b; ^ main.cpp:105:20: warning: right operand of comma operator has no effect [-Wunused-value] a,b; ^ main.cpp:112:21: warning: statement has no effect [-Wunused-value] maxi; ^