Compilare: main.cpp: In function 'int main()': main.cpp:27:15: warning: statement has no effect [-Wunused-value] hprin1%h%h%h; ~~~~~~~~~~^~ main.cpp:29:14: warning: statement has no effect [-Wunused-value] hprin2%j%j%j; ~~~~~~~~~~^~ main.cpp:34:14: warning: statement has no effect [-Wunused-value] hsec1%h%h%h; ~~~~~~~~~^~ main.cpp:36:14: warning: statement has no effect [-Wunused-value] hsec2%j%j%j; ~~~~~~~~~^~ main.cpp:50:18: warning: statement has no effect [-Wunused-value] hsec1%h%h%h; ~~~~~~~~~^~ main.cpp:54:12: warning: statement has no effect [-Wunused-value] hsec2%j%j%j; ~~~~~~~~~^~ main.cpp:57:1: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=0;i<nr;i++) ^~~ main.cpp:59:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return 0; ^~~~~~