Compilare: user.cpp: In function ‘int main()’: user.cpp:26:12: warning: unused variable ‘m’ [-Wunused-variable] int n, m, i, j, s, t, d, k, ma, x, y, x_aa, y_aa; ^ user.cpp:26:21: warning: unused variable ‘s’ [-Wunused-variable] int n, m, i, j, s, t, d, k, ma, x, y, x_aa, y_aa; ^ user.cpp:26:27: warning: unused variable ‘d’ [-Wunused-variable] int n, m, i, j, s, t, d, k, ma, x, y, x_aa, y_aa; ^ user.cpp:23:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("alpin.in","r",stdin); ^ user.cpp:24:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("alpin.out","w",stdout); ^ user.cpp:30:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:33:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&best[i][j][1]); ^ user.cpp:47:65: warning: array subscript is above array bounds [-Warray-bounds] if( best[x_aa][y_aa][2] < best[v[i].x][v[i].y][2] + 1 ){ ^ user.cpp:47:39: warning: array subscript is above array bounds [-Warray-bounds] if( best[x_aa][y_aa][2] < best[v[i].x][v[i].y][2] + 1 ){ ^ user.cpp:48:39: warning: array subscript is above array bounds [-Warray-bounds] best[x_aa][y_aa][2] = best[v[i].x][v[i].y][2] + 1; ^ user.cpp:50:44: warning: array subscript is above array bounds [-Warray-bounds] if( ma < best[x_aa][y_aa][2] ){ ^ user.cpp:72:51: warning: array subscript is above array bounds [-Warray-bounds] if( v[ma].val < best[x_aa][y_aa][2] ){ ^ user.cpp:62:8: warning: array subscript is below array bounds [-Warray-bounds] v[t].x = x; ^ user.cpp:63:8: warning: array subscript is below array bounds [-Warray-bounds] v[t].y = y; ^ user.cpp:62:15: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] v[t].x = x; ^ user.cpp:63:15: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] v[t].y = y; ^