Compilare: main.cpp: In function 'int main()': main.cpp:53:18: warning: unused variable 'x' [-Wunused-variable] 53 | int n, k, i, x, y, first, last, j, length; | ^ main.cpp:53:21: warning: unused variable 'y' [-Wunused-variable] 53 | int n, k, i, x, y, first, last, j, length; | ^ main.cpp:56:19: warning: unused variable 'nextPoint' [-Wunused-variable] 56 | POINT2 point, nextPoint; | ^~~~~~~~~ main.cpp:105:7: warning: 'pMin' may be used uninitialized [-Wmaybe-uninitialized] 105 | i = q[pMin].p; | ~~^~~~~~~~~~~ main.cpp:55:9: note: 'pMin' was declared here 55 | int pMin; | ^~~~