Compilare: user.c: In function ‘main’: user.c:30:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^ user.c:33:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &a[i][j] ); ^ user.c:27:21: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n, i, j, x, y, m; ^ user.c:27:18: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n, i, j, x, y, m; ^ user.c:37:16: warning: ‘m’ may be used uninitialized in this function [-Wmaybe-uninitialized] if ( m < d[i][j] ) { ^