Compilare: main.cpp: In function 'void do0()': main.cpp:45:14: warning: unused variable 'gata' [-Wunused-variable] bool gata = 0; ^~~~ main.cpp: In function 'void do1()': main.cpp:89:14: warning: unused variable 'gata' [-Wunused-variable] bool gata = 0; ^~~~ main.cpp:91:14: warning: variable 'found' set but not used [-Wunused-but-set-variable] bool found = 0; ^~~~~ main.cpp: In function 'void do2()': main.cpp:117:14: warning: unused variable 'gata' [-Wunused-variable] bool gata = 0; ^~~~ main.cpp: In function 'void do3()': main.cpp:152:14: warning: unused variable 'gata' [-Wunused-variable] bool gata = 0; ^~~~ main.cpp: At global scope: main.cpp:180:5: warning: 'int main(int)' takes only zero or two arguments [-Wmain] int main(int start) ^~~~ main.cpp: In function 'int main(int)': main.cpp:189:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(task==1) ^~ main.cpp:191:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(task==2) ^~