Compilare: main.cpp: In function 'int main()': main.cpp:34:14: warning: statement has no effect [-Wunused-value] 34 | for (x1; x1<=x2; ++x1) { | ^~ main.cpp:59:21: warning: 'maxcnt' may be used uninitialized [-Wmaybe-uninitialized] 59 | fout<<max<<" "<<maxcnt; | ^~~~~~ main.cpp:22:38: note: 'maxcnt' was declared here 22 | int z, x1, y1, x2, y2, x, max=0, maxcnt; | ^~~~~~