Compilare: main.cpp: In function 'int main()': main.cpp:20:13: warning: statement has no effect [-Wunused-value] 20 | true; | ^ main.cpp:28:13: warning: statement has no effect [-Wunused-value] 28 | true; | ^ main.cpp:35:17: warning: statement has no effect [-Wunused-value] 35 | true; | ^ main.cpp:47:13: warning: statement has no effect [-Wunused-value] 47 | true; | ^ main.cpp:54:17: warning: statement has no effect [-Wunused-value] 54 | true; | ^