Compilare: main.cpp: In function 'int main()': main.cpp:20:15: warning: unused variable 'val' [-Wunused-variable] 20 | int n, i, val, cnt, j, k, n1, n2, p10, st, dr, mij, e, lim1, lim2, stc, x1, y1; | ^~~ main.cpp:20:28: warning: unused variable 'k' [-Wunused-variable] 20 | int n, i, val, cnt, j, k, n1, n2, p10, st, dr, mij, e, lim1, lim2, stc, x1, y1; | ^ main.cpp:20:39: warning: unused variable 'p10' [-Wunused-variable] 20 | int n, i, val, cnt, j, k, n1, n2, p10, st, dr, mij, e, lim1, lim2, stc, x1, y1; | ^~~ main.cpp:20:77: warning: variable 'x1' set but not used [-Wunused-but-set-variable] 20 | int n, i, val, cnt, j, k, n1, n2, p10, st, dr, mij, e, lim1, lim2, stc, x1, y1; | ^~ main.cpp:20:81: warning: variable 'y1' set but not used [-Wunused-but-set-variable] 20 | int n, i, val, cnt, j, k, n1, n2, p10, st, dr, mij, e, lim1, lim2, stc, x1, y1; | ^~