Compilare: main.cpp: In function 'int main()': main.cpp:66:21: warning: 'y' may be used uninitialized [-Wmaybe-uninitialized] 66 | q.push(make_pair(x,y)); | ~~~~~~~~~^~~~~ main.cpp:41:15: note: 'y' was declared here 41 | int i,j,x,y,c=1e9; | ^ main.cpp:66:21: warning: 'x' may be used uninitialized [-Wmaybe-uninitialized] 66 | q.push(make_pair(x,y)); | ~~~~~~~~~^~~~~ main.cpp:41:13: note: 'x' was declared here 41 | int i,j,x,y,c=1e9; | ^