Compilare: main.cpp: In function 'int main()': main.cpp:10:18: warning: unused variable 'ok' [-Wunused-variable] int n, k, l, ok = 1, mijpos, mij, st, dr, sumdif1, sumdif2, sumdif, maxx = -1, minn = 2000000000, ma, mb; ^~ main.cpp:10:84: warning: variable 'minn' set but not used [-Wunused-but-set-variable] int n, k, l, ok = 1, mijpos, mij, st, dr, sumdif1, sumdif2, sumdif, maxx = -1, minn = 2000000000, ma, mb; ^~~~ main.cpp:38:16: warning: 'mb' may be used uninitialized in this function [-Wmaybe-uninitialized] cout << mb - ma + 1; ~~~^~~~ main.cpp:38:16: warning: 'ma' may be used uninitialized in this function [-Wmaybe-uninitialized]