Compilare: main.cpp: In function 'int main()': main.cpp:35:9: warning: unused variable 'st' [-Wunused-variable] 35 | int st, dr, mij, cer, n, m, k, i, j, maxx, x1, y1, x2, y2; | ^~ main.cpp:35:13: warning: unused variable 'dr' [-Wunused-variable] 35 | int st, dr, mij, cer, n, m, k, i, j, maxx, x1, y1, x2, y2; | ^~ main.cpp:35:17: warning: unused variable 'mij' [-Wunused-variable] 35 | int st, dr, mij, cer, n, m, k, i, j, maxx, x1, y1, x2, y2; | ^~~ main.cpp:65:56: warning: 'y2' may be used uninitialized in this function [-Wmaybe-uninitialized] 65 | cout << x1 << " " << x2 << " " << y1 << " " << y2; | ^~ main.cpp:65:36: warning: 'x2' may be used uninitialized in this function [-Wmaybe-uninitialized] 65 | cout << x1 << " " << x2 << " " << y1 << " " << y2; | ^~~ main.cpp:65:49: warning: 'y1' may be used uninitialized in this function [-Wmaybe-uninitialized] 65 | cout << x1 << " " << x2 << " " << y1 << " " << y2; | ^~~ main.cpp:65:23: warning: 'x1' may be used uninitialized in this function [-Wmaybe-uninitialized] 65 | cout << x1 << " " << x2 << " " << y1 << " " << y2; | ^~~