Compilare: main.cpp: In function 'int main()': main.cpp:17:16: warning: unused variable 'j' [-Wunused-variable] 17 | int n, b, i, j, x, y, st, dist, mn = 2100000000; | ^ main.cpp:61:41: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized] 61 | mx = max(mx, sp[n - 1] - sp[n - 1 - i]); | ~~~~~~^~~