Compilare: main.cpp: In function 'int main()': main.cpp:84:25: warning: unused variable 'iansdijr1' [-Wunused-variable] int iansdijr1=1; ^~~~~~~~~ main.cpp:120:25: warning: 'zx' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << zx-1 << ' ' << zy-1; ^~~ main.cpp:120:35: warning: 'zy' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << zx-1 << ' ' << zy-1; ^