Compilare: main.cpp: In function 'void task1()': main.cpp:48:26: warning: unused variable 'xx' [-Wunused-variable] int i, j, ii, jj, x, y, xx, yy, aria; ^~ main.cpp:48:30: warning: unused variable 'yy' [-Wunused-variable] int i, j, ii, jj, x, y, xx, yy, aria; ^~ main.cpp: In function 'int main()': main.cpp:163:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (gasit) ^~ main.cpp:165:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' return 0; ^~~~~~