Compilare: main.cpp: In function 'int main()': main.cpp:27:11: warning: statement has no effect [-Wunused-value] hprin1%h; ~~~~~~^~ main.cpp:29:10: warning: statement has no effect [-Wunused-value] hprin2%j; ~~~~~~^~ main.cpp:34:10: warning: statement has no effect [-Wunused-value] hsec1%h; ~~~~~^~ main.cpp:36:10: warning: statement has no effect [-Wunused-value] hsec2%j; ~~~~~^~ main.cpp:51:14: warning: statement has no effect [-Wunused-value] hsec1%h; ~~~~~^~ main.cpp:55:8: warning: statement has no effect [-Wunused-value] hsec2%j; ~~~~~^~